US3466498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timekeeping system utilizing glow discharge tube
Assignee: General Time Corp
•
Filing: 1966-09-23
•
Granted: 1969-09-09
•
Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Heinz A De Koster
- 👤 Michael J Ingenito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:02
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J17/492; H01J17/494; H01J17/495; G; G04; G04G; G04G9/00; G04G9/02; G04G9/04; G04G9/042; H01J2893/00; H01J2893/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2608674A
Cited
US2780747A
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US2835848A
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US2963579A
Cited
US2866922A
Cited
US2906906A
Cited
US3119950A
Cited
US3227922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |