Patent US1296535A successfully refreshed from Google Patents.
US1296535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broaching-machine.
Assignee: Individual
•
Filing: 1917-03-03
•
Granted: 1919-03-04
•
Expires: 1937-03-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Lapointe
- 👤 Benjamin F Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:20
CPC Classifications
B; B23; B23D; B23D37/00; B23D37/02; B23D37/04; Y; Y10; Y10T; Y10T409/00; Y10T409/40; Y10T409/4007; Y10T409/4077
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) | 1922-03-03 | 1922-09-02 | 1923-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-03 | 1926-09-02 | 1927-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-03 | 1930-09-02 | 1931-03-04 | $7700.00 | Window Closed / Lapsed |