US2835945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic means for attaching the ends of a flexible member to a spectacle frame
Assignee: HILSINGER CORP
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Filing: 1957-04-29
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Granted: 1958-05-27
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Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Hilsinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:57
CPC Classifications
G; G02; G02C; G02C3/00; G02C3/003; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1371; Y10T24/31; Y10T24/314; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/3488; Y10T24/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |