US3029696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binocular loupe frame with sliding and pivotal adjustment of eye loupes
Assignee: Individual
•
Filing: 1957-08-09
•
Granted: 1962-04-17
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Arno G Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:15
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/002; G02B25/00; G02B25/002; G02B25/004; G02C; G02C3/00; G02C3/003; G02C7/00; G02C7/02; G02C7/08; G02C7/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US749046A
Cited
US701788A
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FR363020A
Cited
US1033965A
Cited
US2024322A
Cited
US2404639A
Cited
US2425522A
Cited
US2699687A
Cited
US2712773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |