Patent US2734758A successfully refreshed from Google Patents.
US2734758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
schanke
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:27
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/086; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7806; F16C35/00; F16C35/04; F16C35/042; F16C19/00; F16C19/22; F16C19/34; F16C19/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1094312A
Cited
US1461236A
Cited
FR645370A
Cited
US1975170A
Cited
US2132838A
Cited
US2311279A
Cited
US2277810A
Cited
US2286472A
Cited
US2486123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |