US2893284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot treadle device
Assignee: Individual
•
Filing: 1956-06-28
•
Granted: 1959-07-07
•
Expires: 1976-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Lamar Washington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:53
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/10; G10D13/11; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US112162A
Cited
US211283A
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US590182A
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US846391A
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US1154120A
Cited
US1508390A
Cited
US2048725A
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US2139010A
Cited
US2063741A
Cited
US2670028A
Cited
US2628507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |