US2511751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: AMERICAN TAG Co
•
Filing: 1947-03-04
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Granted: 1950-06-13
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Expires: 1967-03-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur H Swett
- 👤 Edward C Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
D; D05; D05B; D05B71/00; G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0323; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T24/00; Y10T24/50; Y10T292/00; Y10T292/48; Y10T292/4945; Y10T292/495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |