US2109953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating motor
Assignee: Individual
•
Filing: 1934-04-24
•
Granted: 1938-03-01
•
Expires: 1954-04-24
Abstract
No abstract record available.
Inventors
- 👤 Clifford V Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/02; H02K33/10; G; G04; G04C; G04C3/00; G04C3/02; G04C3/027; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/125; Y10T74/22
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) | 1941-02-28 | 1941-08-30 | 1942-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-28 | 1945-08-30 | 1946-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-28 | 1949-08-30 | 1950-03-01 | $7700.00 | Window Closed / Lapsed |