Patent US2194777A successfully refreshed from Google Patents.
Patent US3020772A successfully refreshed from Google Patents.
US3020772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
goodhouse
Assignee: —
•
Filing: —
•
Granted: 1962-02-13
•
Expires: 1979-02-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:03
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/16; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/114; Y10T74/115; Y10T74/18; Y10T74/18056; Y10T74/18288; Y10T74/18856; Y10T74/18864; Y10T74/18872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2424116A
Cited
US2925478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |