US2759274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jonsson
Assignee: —
•
Filing: —
•
Granted: 1956-08-21
•
Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:52
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/26; F26B17/12; F26B2200/00; F26B2200/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US18137A
Cited
US127256A
Cited
US334987A
Cited
US469849A
Cited
US1623553A
Cited
US1679099A
Cited
FR825352A
Cited
US2508884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |