US3522393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time switch
Assignee: INTERN REGISTER CO
•
Filing: 1968-07-26
•
Granted: 1970-07-28
•
Expires: 1988-07-26
Abstract
No abstract record available.
Inventors
- 👤 Eugene D Banathy
- 👤 Edward F Condon Jr
- 👤 Julius R Rosenski
- 👤 Robert K Pfleger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:14
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/18; G04C23/22; G04C23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2335403A
Cited
US2839624A
Cited
US2900463A
Cited
US3118028A
Cited
US3234814A
Cited
US3260807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |