US2612078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light transmitting structure which may be made transparent or translucent at will
Assignee: Individual
•
Filing: 1950-01-16
•
Granted: 1952-09-30
•
Expires: 1970-01-16
Abstract
No abstract record available.
Inventors
- 👤 Lisio Salvatore De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:38
CPC Classifications
G; G02; G02B; G02B1/00; G02B1/06; G02B5/00; G02B5/20; G02B5/22; G02B5/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US755197A
Cited
US1021952A
Cited
US1208664A
Cited
GB187271A
Cited
US1485772A
Cited
US1811946A
Cited
US2240988A
Cited
US2350712A
Cited
US2352072A
Cited
US2439553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |