US2846684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable lens goggles
Assignee: Individual
•
Filing: 1952-12-15
•
Granted: 1958-08-12
•
Expires: 1972-12-15
Abstract
No abstract record available.
Inventors
- 👤 John D Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:03
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/02; A61F9/028; A61F9/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322834A
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US2430881A
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US1168581A
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US1651488A
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US1916630A
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US1986688A
Cited
US2364584A
Cited
US2342766A
Cited
US2388205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |