Patent DE275783C successfully refreshed from Google Patents.
US1014639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic hammer for driving nails.
Assignee: Individual
•
Filing: 1910-11-26
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Granted: 1912-01-16
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Expires: 1930-11-26
Abstract
No abstract record available.
Inventors
- 👤 William Evans Colwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:31
CPC Classifications
B; B25; B25B; B25B21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1915-01-15 | 1915-07-17 | 1916-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-01-15 | 1919-07-17 | 1920-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-01-15 | 1923-07-17 | 1924-01-16 | $7700.00 | Window Closed / Lapsed |