US2198981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weight regulator for golf club heads
Assignee: Individual
•
Filing: 1938-08-12
•
Granted: 1940-04-30
•
Expires: 1958-08-12
Abstract
No abstract record available.
Inventors
- 👤 John F Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:06
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/08; A63B53/0433; A63B53/0466; A63B2053/0491
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) | 1943-04-30 | 1943-10-30 | 1944-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-30 | 1947-10-30 | 1948-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-30 | 1951-10-30 | 1952-04-30 | $7700.00 | Window Closed / Lapsed |