Patent US2556029A successfully refreshed from Google Patents.
US2556029A
Expired / Lapsed
US
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Plastic shuttlecock
Assignee: Individual
•
Filing: 1946-03-07
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Granted: 1951-06-05
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Expires: 1966-03-07
Abstract
No abstract record available.
Inventors
- 👤 Cohan Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:19
CPC Classifications
A; A63; A63B; A63B67/00; A63B67/18; A63B67/183; A63B67/187; A63B67/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2212079A
Cited
US2163236A
Cited
US2309729A
Cited
US2247486A
Cited
US2338274A
Cited
US2359726A
Cited
US2354790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |