US2314848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener driving machine
Assignee: E H HOTCHKISS Co
•
Filing: 1941-05-28
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Granted: 1943-03-23
•
Expires: 1961-05-28
Abstract
No abstract record available.
Inventors
- 👤 Polzer Fridolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:56
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/10; B25C5/11; B25C5/02; B25C5/0221; B25C5/0257; B25C5/06
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) | 1946-03-22 | 1946-09-21 | 1947-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-22 | 1950-09-21 | 1951-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-22 | 1954-09-21 | 1955-03-23 | $7700.00 | Window Closed / Lapsed |