US1923159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall-crack cutting router
Assignee: Individual
•
Filing: 1929-08-07
•
Granted: 1933-08-22
•
Expires: 1949-08-07
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Mclaren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:48
CPC Classifications
E; E04; E04G; E04G23/00; E04G23/02; E04G23/0203; B; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0046; B27; B27B; B27B5/00; B27B5/29; B27B5/30; B27B5/36; B28; B28D; B28D1/00; B28D1/18; B28D1/183; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304088; Y10T409/306216; Y10T409/306552
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) | 1936-08-21 | 1937-02-20 | 1937-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-21 | 1941-02-20 | 1941-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-21 | 1945-02-20 | 1945-08-22 | $7700.00 | Window Closed / Lapsed |