US2544945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination antitilt and restoring circuit for amusement game apparatus
Assignee: WILLIAMS PATENT Corp
•
Filing: 1949-12-10
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Granted: 1951-03-13
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Expires: 1969-12-10
Abstract
No abstract record available.
Inventors
- 👤 Harry E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:52
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/32; G07F17/3286; G07F17/3297
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |