US3548484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing for stringing the frame of a games racket
Assignee: Carlton Sports Co Ltd
•
Filing: 1969-03-27
•
Granted: 1970-12-22
•
Expires: 1989-03-27
Abstract
No abstract record available.
Inventors
- 👤 William C Carlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:10
CPC Classifications
A; A63; A63B; A63B49/00; A63B49/02; A63B49/022; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE546787A
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US1588140A
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US1611232A
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GB269955A
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US2550788A
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US2542661A
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US3290430A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |