US2661260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple range recorder
Assignee: Wyeth Holdings LLC
•
Filing: 1950-05-23
•
Granted: 1953-12-01
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Expires: 1970-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles F Salzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/02; G01D9/20; G01D9/24; G01B; G01B7/00; G01B7/14; G01R; G01R1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |