Patent US3387844A successfully refreshed from Google Patents.
US3387844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf club with percussion chamber plenum
Assignee: Individual
•
Filing: 1964-11-18
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Granted: 1968-06-11
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Expires: 1984-11-18
Abstract
No abstract record available.
Inventors
- 👤 Shippce Winsor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:08
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0487; A63B53/0466; A63B53/0416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1336671A
Cited
GB189824274A
Cited
US1167106A
Cited
US1359220A
Cited
US1854548A
Cited
US1907134A
Cited
US2686056A
Cited
AU211781B1
Cited
US3042405A
Cited
US3211455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |