US2948969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and means for solving problems by progressive analysis
Assignee: Individual
•
Filing: 1955-03-23
•
Granted: 1960-08-16
•
Expires: 1975-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles G Coleman
- 👤 Weiner Hank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:38
CPC Classifications
G; G09; G09B; G09B3/00; G09B3/06; G09B3/08
Claims Analysis
Total Claims: 0
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US2385452A
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US2353238A
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GB618778A
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US2503130A
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US2533384A
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US2625750A
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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) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |