US1292219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broaching-machine attachment for splitting piston-rings.
Assignee: LaPointe Hudson Broach
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Filing: 1918-05-02
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Granted: 1919-01-21
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Expires: 1938-05-02
Abstract
No abstract record available.
Inventors
- 👤 Michael J Acton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:18
CPC Classifications
B; B23; B23C; B23C1/00; B23C1/08; B23D; B23D37/00; B23D37/02; B23D37/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49274; Y10T29/49284; Y10T409/00; Y10T409/40; Y10T409/404375; Y10T409/405775; Y10T409/40595; Y10T409/4063
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) | 1922-01-20 | 1922-07-22 | 1923-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-01-20 | 1926-07-22 | 1927-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-01-20 | 1930-07-22 | 1931-01-21 | $7700.00 | Window Closed / Lapsed |