Patent US3749623A successfully refreshed from Google Patents.
US3749623A
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Method of making archery arrow
Assignee: Individual
•
Filing: 1971-04-05
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Granted: 1973-07-31
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Expires: 1991-04-05
Abstract
Abstract Plastic archery arrow fletching which is flexible to ordinary mechanical and aerodynamic forces and sufficiently resilient so that after flexing it returns rapidly to its diffusion source. Prior to the performance of the diffusion step, a thermally grown oxide layer is provided on the second islands.
Inventors
- 👤 A Benoit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:08
CPC Classifications
F; F42; F42B; F42B6/00; F42B6/02; F42B6/04; F42B6/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1051
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |