US1370837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broach
Assignee: PERKINS APPLIANCE Co
•
Filing: 1919-02-24
•
Granted: 1921-03-08
•
Expires: 1939-02-24
Abstract
No abstract record available.
Inventors
- 👤 Julian L Perkins
- 👤 Frank W Sickles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:16
CPC Classifications
B; B23; B23D; B23D43/00; B23D43/02; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53987; Y10T407/00; Y10T407/16; Y10T407/1628; Y10T407/1657
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) | 1924-03-07 | 1924-09-06 | 1925-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-03-07 | 1928-09-06 | 1929-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-03-07 | 1932-09-06 | 1933-03-08 | $7700.00 | Window Closed / Lapsed |