US3500545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Visual aiming devices
Assignee: AUXARMES INTERN LT Pty
•
Filing: 1967-11-28
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Granted: 1970-03-17
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Expires: 1987-11-28
Abstract
No abstract record available.
Inventors
- 👤 Michael H Chivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:33
CPC Classifications
F; F41; F41G; F41G1/00; F41G1/32; F41G1/06; F41G1/08; G; G02; G02B; G02B27/00; G02B27/32; G02B27/34
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) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |