US2736227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
stroble
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
•
Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:26
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/08; F16B37/0807; F16B37/0864; Y; Y10; Y10T; Y10T408/00; Y10T408/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US129706A
Cited
US463301A
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US844469A
Cited
US867351A
Cited
US1102686A
Cited
US1202678A
Cited
US1338054A
Cited
US1344544A
Cited
US1390904A
Cited
US1539213A
Cited
US1740574A
Cited
US2138784A
Cited
GB598942A
Cited
US2491543A
Cited
US2664768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |