US1491965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forging insulator caps
Assignee: AMERICAN FORGE AND MACHINE Co
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Filing: 1923-05-07
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Granted: 1924-04-29
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Expires: 1943-05-07
Abstract
No abstract record available.
Inventors
- 👤 Nelson Barney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:16
CPC Classifications
B; B21; B21K; B21K21/00; B21K21/08; B21K21/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49227; Y10T403/00; Y10T403/32; Y10T403/32549; Y10T403/32557; Y10T403/32565; Y10T403/32573
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) | 1927-04-29 | 1927-10-29 | 1928-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-29 | 1931-10-29 | 1932-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-29 | 1935-10-29 | 1936-04-29 | $7700.00 | Window Closed / Lapsed |