Patent US3089704A successfully refreshed from Google Patents.
US3089704A
Expired / Lapsed
US
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Shuttlecock
Assignee: R S L SHUTTLECOCKS CO Ltd
•
Filing: 1959-09-16
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Granted: 1963-05-14
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Expires: 1979-09-16
Abstract
No abstract record available.
Inventors
- 👤 James E Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
A; A63; A63B; A63B67/00; A63B67/18; A63B67/183; A63B67/187; Y; Y10; Y10S; Y10S273/00; Y10S273/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
IN A BADMINTON SHUTTLECOCK ADAPTED TO BE HIT BY A RACKET AND HAVING A HEAD AND VANE PORTION, THE IMPROVEMENT WHEREIN SAID HEAD IS FORMED OF MOLDED POLYETHYLENE SPONGE HAVING A PLURALITY OF CELLS THEREIN AND THE OUTER SURFACE OF THE NOSE PORTION OF THE HEAD BEING ROUGHENED
Claim 2
Dependent Claim
48 words
IN A BADMINTON SHUTTLECOCK ADAPTED TO BE HIT BY A RACKET AND HAVING A HEAD AND VANE PORTION, THE IMPROVEMENT WHEREIN SAID HEAD IS FORMED OF MOLDED POLYETHYLENE SPONGE HAVING A PLURALITY OF CELLS THEREIN AND THE OUTER SURFACE OF THE NOSE PORTION OF THE HEAD BEING ROUGHENED
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |