Patent US3832591A successfully refreshed from Google Patents.
US2968076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder means for spectacles
Assignee: Individual
•
Filing: 1957-06-24
•
Granted: 1961-01-17
•
Expires: 1977-06-24
Abstract
No abstract record available.
Inventors
- 👤 Mortimer L Chanko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:36
CPC Classifications
A; A45; A45F; A45F5/00; A45F5/02; G; G02; G02C; G02C3/00; G02C3/006; A45F5/1541; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1371
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1347942A
Cited
US1372225A
Cited
US1972452A
Cited
US2260411A
Cited
US2416477A
Cited
US2496811A
Cited
US2596835A
Cited
US2649020A
Cited
US2835945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |