US3285144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hooks used for folding back flaps in folding-glueing machines
Assignee: Bobst Mex SA
•
Filing: 1964-01-20
•
Granted: 1966-11-15
•
Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Frei Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:09
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/262; B31B50/52; B31B50/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A HOOK ADAPTED FOR BEING PIVOTALLY MOUNTED IN THE PATH OF ADVANCEMENT OF A CARTON BLANK TO EFFECT FOLDING OF A FLAP OF THE BLANK, SAID HOOK COMPRISING A SHANK WITH A TERMINAL HOOK PORTION, A SHAFT ROTATABLY SUPPORTING SAID SHANK, A HOUSING HAVING A RECESS RECEIVING SAID SHAFT, AND A BLADE DISPOSED IN SAID RECESS AND SECURED WITH SAID SHAFT FOR ROTATION THERWITH, SAID RECESS BEING ADAPTED FOR CONTAINING A COMPRESSIBLE PRESSURE FLUID WHICH IS SUBJECTED TO PRESSURE UPON ROTATION OF THE BLADE IN SAID RECESS, THEREBY URGING THE BLADE TO RETURN TO ITS ORIGINAL POSITION.
Claim 2
Dependent Claim
97 words
A HOOK ADAPTED FOR BEING PIVOTALLY MOUNTED IN THE PATH OF ADVANCEMENT OF A CARTON BLANK TO EFFECT FOLDING OF A FLAP OF THE BLANK, SAID HOOK COMPRISING A SHANK WITH A TERMINAL HOOK PORTION, A SHAFT ROTATABLY SUPPORTING SAID SHANK, A HOUSING HAVING A RECESS RECEIVING SAID SHAFT, AND A BLADE DISPOSED IN SAID RECESS AND SECURED WITH SAID SHAFT FOR ROTATION THERWITH, SAID RECESS BEING ADAPTED FOR CONTAINING A COMPRESSIBLE PRESSURE FLUID WHICH IS SUBJECTED TO PRESSURE UPON ROTATION OF THE BLADE IN SAID RECESS, THEREBY URGING THE BLADE TO RETURN TO ITS ORIGINAL POSITION.
References Cited (Backward Citations)
US2597050A
Cited
US2879699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |