US2551622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated plastic advertising medium
Assignee: Individual
•
Filing: 1947-01-14
•
Granted: 1951-05-08
•
Expires: 1967-01-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar H Mohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:54
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0033; G02B6/0058; G02B6/006; G02B6/0035; G02B6/004; G02B6/0041; G02B6/0081; G02B6/0086; G02B6/0091; Y; Y10; Y10S; Y10S362/00; Y10S362/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1847647A
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GB365480A
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US1914932A
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GB408429A
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GB401151A
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US1988028A
Cited
US1953555A
Cited
DE597477C
Cited
US2140972A
Cited
US2247969A
Cited
US2223409A
Cited
US2206866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |