US2655378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf instruction apparatus
Assignee: Individual
•
Filing: 1949-05-27
•
Granted: 1953-10-13
•
Expires: 1969-05-27
Abstract
No abstract record available.
Inventors
- 👤 Andrew D Sheffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:55
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3621; A63B69/36211; A63B69/36212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US762959A
Cited
US1824027A
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US1936687A
Cited
US2080148A
Cited
US2147157A
Cited
US2080653A
Cited
US2448904A
Cited
US2455707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |