Patent US1212126A successfully refreshed from Google Patents.
US1212126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-tightening bolt and nut.
Assignee: Individual
•
Filing: 1915-06-09
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Granted: 1917-01-09
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Expires: 1935-06-09
Abstract
No abstract record available.
Inventors
- 👤 Jesse C Canfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/12; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/925
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) | 1920-01-09 | 1920-07-10 | 1921-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-09 | 1924-07-10 | 1925-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-09 | 1928-07-10 | 1929-01-09 | $7700.00 | Window Closed / Lapsed |