Patent US2622477A successfully refreshed from Google Patents.
US2622477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable nose bridge support for bifocal spectacles
Assignee: Individual
•
Filing: 1950-04-11
•
Granted: 1952-12-23
•
Expires: 1970-04-11
Abstract
No abstract record available.
Inventors
- 👤 Bechtel Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:30
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/12; G02C5/122; G02C5/124
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1102909A
Cited
US1396213A
Cited
FR665640A
Cited
US1978276A
Cited
US2093396A
Cited
US2350386A
Cited
US2322993A
Cited
US2326846A
Cited
US2428961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |