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Patent US2969682A successfully refreshed from Google Patents.
US2969682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotative device
Assignee: Individual
•
Filing: 1957-10-17
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Granted: 1961-01-31
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Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 John F Schoeppel
- 👤 Jr Christian H Will
- 👤 Pittman Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:10
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/34; G01C19/38; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318302A
Cited
US2410002A
Cited
CH43220A
Cited
GB191208952A
Cited
US1573028A
Cited
US1978425A
Cited
DE638798C
Cited
US2641132A
Cited
US2850905A
Cited
US2827788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |