Patent US4307601A successfully refreshed from Google Patents.
Patent US2520701A successfully refreshed from Google Patents.
US2520701A
Expired / Lapsed
US
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Adjustable head for golf clubs
Assignee: Individual
•
Filing: 1947-05-13
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Granted: 1950-08-29
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Expires: 1967-05-13
Abstract
No abstract record available.
Inventors
- 👤 Verderber Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:00
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/02; A63B53/04; A63B53/06; A63B53/047; A63B53/022; A63B53/023; A63B53/026; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18584
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |