Patent US2674736A successfully refreshed from Google Patents.
US2674736A
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US
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Improved nailing machine
Assignee: Individual
•
Filing: 1949-08-17
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Granted: 1954-04-13
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Expires: 1969-08-17
Abstract
No abstract record available.
Inventors
- 👤 Chalmer Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:09
CPC Classifications
F; F16; F16B; F16B15/00; B; B25; B25C; B25C3/00; B25C3/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US212515A
Cited
US230631A
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US230632A
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US329544A
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US977342A
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US1134334A
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US2423821A
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US2430321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |