US2500405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reticle mount
Assignee: POLAROLD Corp
•
Filing: 1946-02-04
•
Granted: 1950-03-14
•
Expires: 1966-02-04
Abstract
No abstract record available.
Inventors
- 👤 Murry N Fairbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:41
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US382088A
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US932488A
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US1167991A
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US1601378A
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US1722520A
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AT110814B
Cited
US2097850A
Cited
US2150629A
Cited
US2245257A
Cited
US2344887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |