US2991695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eyeglass frame assembly with expandible locking screw
Assignee: Individual
•
Filing: 1958-02-12
•
Granted: 1961-07-11
•
Expires: 1978-02-12
Abstract
No abstract record available.
Inventors
- 👤 Harold V Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:07
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/22; G02C5/2281; F; F16; F16B; F16B35/00; F16B35/04; F16B35/041; F16B39/00; F16B39/22; F16B39/28; F16B39/284; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US278230A
Cited
US672132A
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AT20191B
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US2067272A
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US2266758A
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US2412120A
Cited
US2676344A
Cited
US2727256A
Cited
US2843861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |