US2304704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw
Assignee: Individual
•
Filing: 1939-12-04
•
Granted: 1942-12-08
•
Expires: 1959-12-04
Abstract
No abstract record available.
Inventors
- 👤 Theodor A O'leary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:04
CPC Classifications
F; F16; F16B; F16B23/00; F16B23/0007; F16B23/0015; B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; B21K1/463; Y; Y10; Y10S; Y10S411/00; Y10S411/919
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) | 1945-12-07 | 1946-06-08 | 1946-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-07 | 1950-06-08 | 1950-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-07 | 1954-06-08 | 1954-12-08 | $7700.00 | Window Closed / Lapsed |