US1754466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material strip for use in the manufacture of lock washers
Assignee: SHAKEPROOF LOCK WASHER CO
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Filing: 1927-12-16
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Granted: 1930-04-15
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Expires: 1947-12-16
Abstract
No abstract record available.
Inventors
- 👤 Richard T Hosking
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:52
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/16; B21D53/20; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/974; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1459; Y10T24/1461; Y10T24/1463; Y10T24/1469; Y10T24/148; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12215; Y10T428/12229; Y10T428/12264
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) | 1933-04-14 | 1933-10-14 | 1934-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-14 | 1937-10-14 | 1938-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-14 | 1941-10-14 | 1942-04-15 | $7700.00 | Window Closed / Lapsed |