US1369178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hacksaw-blade
Assignee: Individual
•
Filing: 1919-05-20
•
Granted: 1921-02-22
•
Expires: 1939-05-20
Abstract
No abstract record available.
Inventors
- 👤 Austin M Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:02
CPC Classifications
B; B23; B23D; B23D65/00; B23D61/00; B23D61/12; B23D61/121; Y; Y10; Y10T; Y10T407/00; Y10T407/25
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) | 1924-02-22 | 1924-08-23 | 1925-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-22 | 1928-08-23 | 1929-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-22 | 1932-08-23 | 1933-02-22 | $7700.00 | Window Closed / Lapsed |