Patent US2735366A successfully refreshed from Google Patents.
US2735366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
hunter
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:48
CPC Classifications
F; F04; F04B; F04B19/00; F04B19/08; F04B19/14; F04B5/00; F04B5/02; F04B53/00; F04B53/10; F04B53/1037; F04B53/12; F04B53/125; F04B53/127; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US338598A
Cited
US472547A
Cited
US1077419A
Cited
US1415769A
Cited
US1616201A
Cited
US2142329A
Cited
US2348567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |