Patent US3091471A successfully refreshed from Google Patents.
US3091471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing box assembly
Assignee: ACF Industries Inc
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Filing: 1960-03-17
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Granted: 1963-05-28
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Expires: 1980-03-17
Abstract
No abstract record available.
Inventors
- 👤 Clifford C Lawless
- 👤 Alton M Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:37
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/02; F16K41/023; F16K41/026; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/184
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
268 words
A PACKING BOX STRUCTURE INCLUDING A BODY PORTION FORMED WITH A CYLINDICAL BORE THERETHROUGH, A ROTATABLE CYLINDRICAL STEM HAVING A SMOOTH OUTER SURFACE EXTENDING THROUGH SAID BORE, THE WALL OF SAID CYLINDRICAL BORE BEING FORMED WITH A CONCENTRIC ENLARGED CHAMBER EXTENDING OUTWARDLY THROUGH SAID BODY PORTION AND TERMINATING OUTINNER END IN AN ANNULAR SHOULDER, PACKING IN SAID BORE SUPPORTED ON SAID SHOULDER, THREADS FORMED AT THE OUTER END PORTION OF THE WALL DEFINING THE ENLARGED CHAMBER, A STEM NUT HAVING INTERNAL THREADS FOR ENGAGING THE OUTER THREADED PORTION OF THE ENLARGED CHAMVER, SAID STEM NUT BEING PROVIDED WITH A CENTRAL OPENING OF THE APPROXIMATE DIAMETER OF SAID STEM AND BEING TELESCOPED OVER SAID STEM, SAID STEM NUT ENGAGING SAID PACKING AT ITS LOWER END PORTION TO COMPRESS THE LATTER INTO SEALING CONTACT WITH SAID SHOULDER, BORE AND STEM, THE WALL OF SAID STEM NUT BEING FORMED WITH A PLURALITY OF RADIALLY EXTENDING APERTURES, SAID APERTURES OPENING AT THEIR OUTERMOST POINTS WITHIN THE THREADED AREA OF SAID STEM NUT, PLASTIC INSERTS PRESSED INTO SAID APERTURES, SAID INSERTS PROTRUDING INWARDLY TO FORM A CHORD BETWEEN THE OUTERMOST POINTS OF SAID APERTURE AND PROTRUDING OUTWARDLY TANGENTIALLY WITH THE CREST OF SAID THREADS, SAID INSERTS BEING FORMED OF RESILEINT DEFORMABLE PLASTIC MATERIAL HAVING A HIGH RATE OF RECOVERY FROM COMPRESSION, SAID STEM CONFINING THE INNER PROTRU, SION OF SAID INSERTS AND BEING CENTERED THEREBY, AND THE INTERNAL THREADS OF SAID ENLARGED CHAMBER CONTACTING AND DEFORMING THE OUTER PROTRUSION OF SIAD INSERTS CAUSING THE INSERTS TO ACT AS A FUNCTIONAL DRAG ON THE STEM NUT TO PREVENT ITS FREE ROTATIONAL MOVEMENT AND DISPLACEMENT.
Claim 2
Dependent Claim
268 words
A PACKING BOX STRUCTURE INCLUDING A BODY PORTION FORMED WITH A CYLINDICAL BORE THERETHROUGH, A ROTATABLE CYLINDRICAL STEM HAVING A SMOOTH OUTER SURFACE EXTENDING THROUGH SAID BORE, THE WALL OF SAID CYLINDRICAL BORE BEING FORMED WITH A CONCENTRIC ENLARGED CHAMBER EXTENDING OUTWARDLY THROUGH SAID BODY PORTION AND TERMINATING OUTINNER END IN AN ANNULAR SHOULDER, PACKING IN SAID BORE SUPPORTED ON SAID SHOULDER, THREADS FORMED AT THE OUTER END PORTION OF THE WALL DEFINING THE ENLARGED CHAMBER, A STEM NUT HAVING INTERNAL THREADS FOR ENGAGING THE OUTER THREADED PORTION OF THE ENLARGED CHAMVER, SAID STEM NUT BEING PROVIDED WITH A CENTRAL OPENING OF THE APPROXIMATE DIAMETER OF SAID STEM AND BEING TELESCOPED OVER SAID STEM, SAID STEM NUT ENGAGING SAID PACKING AT ITS LOWER END PORTION TO COMPRESS THE LATTER INTO SEALING CONTACT WITH SAID SHOULDER, BORE AND STEM, THE WALL OF SAID STEM NUT BEING FORMED WITH A PLURALITY OF RADIALLY EXTENDING APERTURES, SAID APERTURES OPENING AT THEIR OUTERMOST POINTS WITHIN THE THREADED AREA OF SAID STEM NUT, PLASTIC INSERTS PRESSED INTO SAID APERTURES, SAID INSERTS PROTRUDING INWARDLY TO FORM A CHORD BETWEEN THE OUTERMOST POINTS OF SAID APERTURE AND PROTRUDING OUTWARDLY TANGENTIALLY WITH THE CREST OF SAID THREADS, SAID INSERTS BEING FORMED OF RESILEINT DEFORMABLE PLASTIC MATERIAL HAVING A HIGH RATE OF RECOVERY FROM COMPRESSION, SAID STEM CONFINING THE INNER PROTRU, SION OF SAID INSERTS AND BEING CENTERED THEREBY, AND THE INTERNAL THREADS OF SAID ENLARGED CHAMBER CONTACTING AND DEFORMING THE OUTER PROTRUSION OF SIAD INSERTS CAUSING THE INSERTS TO ACT AS A FUNCTIONAL DRAG ON THE STEM NUT TO PREVENT ITS FREE ROTATIONAL MOVEMENT AND DISPLACEMENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |