Patent US3545764A successfully refreshed from Google Patents.
US3545764A
Expired / Lapsed
US
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Training device for golfers
Assignee: THOMAS F BRODERICK
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Filing: 1969-01-13
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Granted: 1970-12-08
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Expires: 1989-01-13
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Broderick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:56
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3608; A63B69/3623; A63B69/3629; A63B71/00; A63B71/06; A63B2071/0694; A63B2220/00; A63B2220/18; G; G02; G02C; G02C5/00; G02C5/001; G02C5/003; G02C7/00; G02C7/16
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |