Patent US2543722A successfully refreshed from Google Patents.
US2543722A
Expired / Lapsed
US
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Attachment for golf clubs
Assignee: Individual
•
Filing: 1947-08-01
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Granted: 1951-02-27
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Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Hetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:49
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3623; A63B69/3632; A63B15/00; A63B15/005; A63B2220/00; A63B2220/50; A63B2220/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US574324A
Cited
US1387363A
Cited
GB179079A
Cited
US1712609A
Cited
GB326895A
Cited
US2214356A
Cited
US2244972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |