Patent US4536438A successfully refreshed from Google Patents.
US1518754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric amusement device
Assignee: Individual
•
Filing: 1920-03-05
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Granted: 1924-12-09
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Expires: 1940-03-05
Abstract
No abstract record available.
Inventors
- 👤 Prina Frank
- 👤 Prina William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:19
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/14; A63F9/143
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) | 1927-12-09 | 1928-06-09 | 1928-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-12-09 | 1932-06-09 | 1932-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-12-09 | 1936-06-09 | 1936-12-09 | $7700.00 | Window Closed / Lapsed |