US2881661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interchangeable nose guards
Assignee: Individual
•
Filing: 1956-09-20
•
Granted: 1959-04-14
•
Expires: 1976-09-20
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Laisne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:54
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/12; G02C5/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US566304A
Cited
GB189422304A
Cited
US2035785A
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US2080853A
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US2114174A
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US2243770A
Cited
US2354603A
Cited
US2345065A
Cited
US2479754A
Cited
US2643580A
Cited
US2783681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |