US3540728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Racket with metal frame welded to handle sleeve
Assignee: GEORGE R PALMER
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Filing: 1967-11-08
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Granted: 1970-11-17
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Expires: 1987-11-08
Abstract
No abstract record available.
Inventors
- 👤 George R Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:45
CPC Classifications
A; A63; A63B; A63B49/00; A63B49/02; A63B49/12; A63B49/08; A63B60/00; A63B2208/00; A63B2208/12; A63B60/52
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) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |