US2733825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
evans
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:32
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/07; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/16; B66F9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1288567A
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DE434246C
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US1816053A
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US1936107A
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US1874859A
Cited
US1946320A
Cited
US1925442A
Cited
US1931803A
Cited
US2208954A
Cited
US2394693A
Cited
US2415015A
Cited
US2437010A
Cited
US2629507A
Cited
US2553531A
Cited
US2633260A
Cited
US2658638A
Cited
US2645369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |