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US3377066A
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Ball-striking implement and method for making same
Assignee: JEFFREY J TROWBRIDGE
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Filing: 1965-01-11
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Granted: 1968-04-09
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Jeffrey J Trowbridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:50
CPC Classifications
A; A63; A63B; A63B59/00; A63B59/50; A63B59/52; A63B59/58; A63B2059/581; A63B2102/00; A63B2102/18; A63B60/00; A63B60/06; A63B60/16; A63B60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US692970A
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US727359A
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US1549803A
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US1949325A
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US2246411A
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US2446213A
Cited
US2629596A
Cited
US2654606A
Cited
US2568274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |