US3534965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Play balls
Assignee: Dunlop Co Ltd
•
Filing: 1967-06-29
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Granted: 1970-10-20
•
Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Harrison
- 👤 Robert M Broughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:42
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0042; C; C08; C08L; C08L53/00; C08L53/02; B29K; B29K2009/00; B29K2009/06; B29K2023/00; B29K2423/00; B29L; B29L2031/00; B29L2031/54; Y; Y10; Y10S; Y10S273/00; Y10S273/02; Y10S273/04; Y10S273/10; Y10S273/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2914328A
Cited
US3119622A
Cited
US3265765A
Cited
US3313545A
Cited
FR1427093A
Cited
GB1026254A
Cited
US3417044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |