Patent US2632647A successfully refreshed from Google Patents.
US2632647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuttlecock
Assignee: Individual
•
Filing: 1952-02-28
•
Granted: 1953-03-24
•
Expires: 1972-02-28
Abstract
No abstract record available.
Inventors
- 👤 Carlton William Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:38
CPC Classifications
A; A63; A63B; A63B67/00; A63B67/18; A63B67/183; A63B67/187; A63B67/193
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |