US3309743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jewelry clasp
Assignee: Coro Inc
•
Filing: 1965-03-15
•
Granted: 1967-03-21
•
Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Verri Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
A; A44; A44C; A44C3/00; A44C3/004; A44C3/008; F; F16; F16B; F16B45/00; F16B45/02; F16B45/035; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US558822A
Cited
GB138632A
Cited
US1427572A
Cited
US1469103A
Cited
US1462249A
Cited
US3122900A
Cited
US3168768A
Cited
US3181217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |