US2874353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
tavis
Assignee: —
•
Filing: —
•
Granted: 1959-02-17
•
Expires: 1976-02-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:00
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/04; G02; G02B; G02B26/00; G02B26/08; G02B26/10; G02B26/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1397441A
Cited
US1587010A
Cited
US2469265A
Cited
US2519591A
Cited
US2535065A
Cited
US2510585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |