US2783545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
booth
Assignee: —
•
Filing: —
•
Granted: 1957-03-05
•
Expires: 1974-03-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:04
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1885142A
Cited
US2073221A
Cited
US2101651A
Cited
US1753828A
Cited
US1798781A
Cited
US2008407A
Cited
US2257487A
Cited
US2215193A
Cited
US2277382A
Cited
US2192348A
Cited
US2275588A
Cited
US2501898A
Cited
US2643523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |