US1814858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for bolts
Assignee: Ingersoll Rand Co
•
Filing: 1928-10-18
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Granted: 1931-07-14
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Expires: 1948-10-18
Abstract
No abstract record available.
Inventors
- 👤 John A Rutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:59
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/04; F16B39/06; F16B35/00; F16B35/005; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/948; Y10S411/998
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) | 1934-07-13 | 1935-01-12 | 1935-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-13 | 1939-01-12 | 1939-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-13 | 1943-01-12 | 1943-07-14 | $7700.00 | Window Closed / Lapsed |