Patent US3951145A successfully refreshed from Google Patents.
US3205525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable wiper for gauge rods
Assignee: Individual
•
Filing: 1963-10-11
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Granted: 1965-09-14
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Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Loren F Birtzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/04; G01F23/045; Y; Y10; Y10S; Y10S425/00; Y10S425/218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PORTABLE WIPER FOR GAUGE RODS, CONSISTING OF AN ELONGATED CYLINDRICAL CONTAINER HAVING A BOTTOM WALL, A SIDEWALL, AND AN OPEN END, SAID SIDEWALL BEING FLEXIBLE AND RESILIENT, VERTICALLY SPACED INTERNAL ANNULAR BEADS ON THE SIDEWALL ADJACENT SAID UPPER END, DEFINING WITH THE PART OF THE SIDEWALL BETWEEN THE BEADS AN ANNULAR SEAT, AND A CIRCULAR COMPRESSIBLE AND RESILIENT ABSORBENT PLUG FORCED INTO THE SEAT UNDER TENSION AND IN SEALING CONTACTING WITH THE BEADS AND THE SIDEWALL, SAID PLUG HAVING A NORMALLY CLOSED DIAMETRICAL SLOT ADAPTED TO
Claim 2
Dependent Claim
87 words
A PORTABLE WIPER FOR GAUGE RODS, CONSISTING OF AN ELONGATED CYLINDRICAL CONTAINER HAVING A BOTTOM WALL, A SIDEWALL, AND AN OPEN END, SAID SIDEWALL BEING FLEXIBLE AND RESILIENT, VERTICALLY SPACED INTERNAL ANNULAR BEADS ON THE SIDEWALL ADJACENT SAID UPPER END, DEFINING WITH THE PART OF THE SIDEWALL BETWEEN THE BEADS AN ANNULAR SEAT, AND A CIRCULAR COMPRESSIBLE AND RESILIENT ABSORBENT PLUG FORCED INTO THE SEAT UNDER TENSION AND IN SEALING CONTACTING WITH THE BEADS AND THE SIDEWALL, SAID PLUG HAVING A NORMALLY CLOSED DIAMETRICAL SLOT ADAPTED TO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |