Patent US2699706A successfully refreshed from Google Patents.
US2699706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ornamental object having birefringent and polarizing layers
Assignee: Individual
•
Filing: 1949-11-08
•
Granted: 1955-01-18
•
Expires: 1969-11-08
Abstract
No abstract record available.
Inventors
- 👤 Boone Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:20
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/28; G02B5/285
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1882829A
Cited
US2017705A
Cited
US2099694A
Cited
US2120365A
Cited
US2287546A
Cited
US2158129A
Cited
US2220861A
Cited
US2270270A
Cited
US2270210A
Cited
US2332958A
Cited
US2397231A
Cited
US2362573A
Cited
US2473857A
Cited
US2519547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |