US1950509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism
Assignee: Individual
•
Filing: 1932-08-20
•
Granted: 1934-03-13
•
Expires: 1952-08-20
Abstract
No abstract record available.
Inventors
- 👤 Melling George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:28
CPC Classifications
B; B23; B23Q; B23Q11/00; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/21; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6774; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
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) | 1937-03-12 | 1937-09-11 | 1938-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-12 | 1941-09-11 | 1942-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-12 | 1945-09-11 | 1946-03-13 | $7700.00 | Window Closed / Lapsed |