Patent US1161573A successfully refreshed from Google Patents.
US1161573A
Expired / Lapsed
US
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Hinge-pin fastening.
Assignee: PERKINS ELECTRIC SWITCH MANUFACTURING Co
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Filing: 1915-09-17
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Granted: 1915-11-23
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Expires: 1935-09-17
Abstract
No abstract record available.
Inventors
- 👤 William R Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:04
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/0018
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) | 1918-11-22 | 1919-05-24 | 1919-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-22 | 1923-05-24 | 1923-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-22 | 1927-05-24 | 1927-11-23 | $7700.00 | Window Closed / Lapsed |