US3558413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tennis ball cover cloth
Assignee: Albany International Corp
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Filing: 1968-01-24
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Granted: 1971-01-26
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Expires: 1988-01-24
Abstract
Abstract A TENNIS BALL COVERING CLOTH INCORPORATING THEREIN A PERCENTAGE OF FIBERS OR FILAMENS FORMED OF AN OLEFIN, SUCH AS POLYPROPYLENE, WHICH IS HEAT TREATED WITHIN A PREDETERMINED TEMPERATURE RANGE TO LOCK THE OLEFIN FIBERS INTO POSITION WITH RESPECT TO THE REMAINING FIBERS IN THE CLOTH.
Inventors
- 👤 John J Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:18
CPC Classifications
A; A63; A63B; A63B39/00; A63B39/06; A63B39/08; D; D03; D03D; D03D15/00; D03D15/20; D03D15/208; D03D15/217; D03D15/233; D03D15/283; D03D15/40; D03D15/47; D10; D10B; D10B2201/00; D10B2201/01; D10B2201/02; D10B2211/00; D10B2211/01; D10B2211/02; D10B2321/00; D10B2321/02; D10B2321/022; D10B2401/00; D10B2401/04; D10B2507/00; Y; Y10; Y10S; Y10S273/00; Y10S273/12; Y10T; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/322; Y10T442/3228; Y10T442/326; Y10T442/3268
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |