US2997565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1959-03-10
•
Granted: 1961-08-22
•
Expires: 1979-03-10
Abstract
No abstract record available.
Inventors
- 👤 Frachon Marc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:13
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/04; H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; H01H13/18; H01H19/00; H01H19/54; H01H19/60; H01H19/62; H01H3/00; H01H3/02; H01H3/16; H01H13/20; H01H13/24; H01H3/0253
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20570E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |