Patent US6437688B1 successfully refreshed from Google Patents.
US2877935A
Expired / Lapsed
US
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Calking gun and the like
Assignee: Individual
•
Filing: 1953-10-19
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Granted: 1959-03-17
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Expires: 1973-10-19
Abstract
No abstract record available.
Inventors
- 👤 William A Sherbondy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:42
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/025; G01F11/026; B; B05; B05C; B05C17/00; B05C17/005; B05C17/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB468907A
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US2100091A
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US2479521A
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US2421711A
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US2634888A
Cited
US2652955A
Cited
US2530359A
Cited
US2602571A
Cited
US2688967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |