US2553915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computing device
Assignee: Gaylord Bros Inc
•
Filing: 1950-12-08
•
Granted: 1951-05-22
•
Expires: 1970-12-08
Abstract
No abstract record available.
Inventors
- 👤 Chester A Grant
- 👤 Ransom L Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:09
CPC Classifications
G; G06; G06C; G06C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1413088A
Cited
US1426484A
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US1751885A
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US767087A
Cited
US944218A
Cited
US1088889A
Cited
US938737A
Cited
US973905A
Cited
US1354375A
Cited
US2334725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |