Patent US2434076A successfully refreshed from Google Patents.
US2434076A
Expired / Lapsed
US
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Eyeshield
Assignee: Polaroid Corp
•
Filing: 1945-04-09
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Granted: 1948-01-06
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Expires: 1965-04-09
Abstract
No abstract record available.
Inventors
- 👤 Kilham Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:55
CPC Classifications
A; A42; A42B; A42B1/00; A42B1/24; A42B1/247; A61; A61F; A61F9/00; A61F9/02; A61F9/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US918975A
Cited
US1228341A
Cited
US1298636A
Cited
GB200635A
Cited
US1671342A
Cited
US1693505A
Cited
US1879216A
Cited
US1871461A
Cited
US1955232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |