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US2887983A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1957-11-22
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Granted: 1959-05-26
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Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
- 👤 Marshall M Budd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:59
CPC Classifications
G; G09; G09F; G09F17/00; B; B60; B60Q; B60Q7/00; B60Q7/005; G09F2017/0066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US447696A
Cited
US523293A
Cited
GB190215020A
Cited
US1846988A
Cited
US2447075A
Cited
US2681030A
Cited
US2655126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |