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US2607990A
Expired / Lapsed
US
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Universal indicator
Assignee: Individual
•
Filing: 1951-05-15
•
Granted: 1952-08-26
•
Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 Augustin P Payamps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:50
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/02; G01B3/04; G01B3/22; Y; Y10; Y10S; Y10S33/00; Y10S33/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US135249A
Cited
US677339A
Cited
US710257A
Cited
US1617485A
Cited
US1778481A
Cited
GB546190A
Cited
US2424286A
Cited
US2568524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |