US1846986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling boring and threading machine
Assignee: Warner and Swasey Co
•
Filing: 1927-02-02
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Granted: 1932-02-23
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Expires: 1947-02-02
Abstract
No abstract record available.
Inventors
- 👤 Fred H Bogart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:15
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/36; B23B5/38; B23B3/00; B23B3/16; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5164; Y10T29/5178; Y10T82/00; Y10T82/15; Y10T82/154; Y10T82/156
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) | 1935-02-22 | 1935-08-24 | 1936-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-22 | 1939-08-24 | 1940-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-22 | 1943-08-24 | 1944-02-23 | $7700.00 | Window Closed / Lapsed |