US2599953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin-actuated control switch
Assignee: ROYAL PATENT Corp
•
Filing: 1949-07-23
•
Granted: 1952-06-10
•
Expires: 1969-07-23
Abstract
No abstract record available.
Inventors
- 👤 William J Summers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:54
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US686074A
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US876207A
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US952809A
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US1273245A
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US1836152A
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US2172927A
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US2167459A
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US2333665A
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US2390535A
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US2496620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |