Patent US2742294A successfully refreshed from Google Patents.
US2742294A
Expired / Lapsed
US
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Golf putting device
Assignee: Individual
•
Filing: 1950-05-03
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Granted: 1956-04-17
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Expires: 1970-05-03
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:01
CPC Classifications
A; A63; A63B; A63B57/00; A63B57/40; A63B57/30; A63B57/357
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190226959A
Cited
US1063119A
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US1182480A
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US1683875A
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US1774187A
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US1903480A
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US1783089A
Cited
US1874873A
Cited
GB426674A
Cited
US2383866A
Cited
US2453605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |