US2768314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating motor device for rotating a shaft
Assignee: Individual
•
Filing: 1950-08-14
•
Granted: 1956-10-23
•
Expires: 1970-08-14
Abstract
No abstract record available.
Inventors
- 👤 John G Ruckelshaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:12
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/06; H02K7/065; F; F16; F16H; F16H31/00; F16H31/003; F16H31/006; G; G01; G01S; G01S1/00; G01S1/02; G01S3/00; G01S3/02; G01S3/14; G01S3/38; G01S3/42; G05; G05D; G05D3/00; G05D3/10; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |