US1972225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for finishing heads and points of bolts
Assignee: Wasmer Bolt & Nut Co
•
Filing: 1932-12-03
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Granted: 1934-09-04
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Expires: 1952-12-03
Abstract
No abstract record available.
Inventors
- 👤 Henry J Hogue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:18
CPC Classifications
B; B21; B21H; B21H3/00; B21H3/02; B21H3/06
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) | 1937-09-03 | 1938-03-05 | 1938-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-09-03 | 1942-03-05 | 1942-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-09-03 | 1946-03-05 | 1946-09-04 | $7700.00 | Window Closed / Lapsed |