Patent US3331720A successfully refreshed from Google Patents.
US3331720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Archery device
Assignee: Individual
•
Filing: 1963-11-26
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Granted: 1967-07-18
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Carl E Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:21
CPC Classifications
F; F41; F41B; F41B5/00; F41B5/0005; F41B5/14; F41B5/1403; F41B5/1411; Y; Y10; Y10S; Y10S273/00; Y10S273/04; Y10S273/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2027962A
Cited
US2225865A
Cited
US2508521A
Cited
US2577466A
Cited
US2769439A
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US2938238A
Cited
US2910058A
Cited
US3010447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |