US3516736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Focussing objective for telescope sights
Assignee: WR Weaver Co
•
Filing: 1967-01-16
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Granted: 1970-06-23
•
Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 William R Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:18
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/02; G02B7/04; F; F41; F41G; F41G1/00; F41G1/38; G02B15/00; G02B15/02; G02B15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US654949A
Cited
US2357326A
Cited
US2764061A
Cited
FR1130523A
Cited
DE1169278B
Cited
US3058391A
Cited
US3351408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |