US1604977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking pin or bolt
Assignee: Buffalo Brake Beam Co
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Filing: 1926-01-12
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Granted: 1926-11-02
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Expires: 1946-01-12
Abstract
No abstract record available.
Inventors
- 👤 Seth A Crone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:32
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/12; F16B21/125; F16B21/06; F16B21/08; F16B21/086
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) | 1929-11-01 | 1930-05-03 | 1930-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-11-01 | 1934-05-03 | 1934-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-11-01 | 1938-05-03 | 1938-11-02 | $7700.00 | Window Closed / Lapsed |