US3054928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectrically controlled switching device
Assignee: P Gossen and Co GmbH
•
Filing: 1960-07-07
•
Granted: 1962-09-18
•
Expires: 1980-07-07
Abstract
No abstract record available.
Inventors
- 👤 Schrenk Gotthlif
- 👤 Wiener Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/017; H01H; H01H47/00; H01H47/22; H01H47/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2365601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |