US3050708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time reference generator
Assignee: Gilfillan Bros Inc
•
Filing: 1956-05-08
•
Granted: 1962-08-21
•
Expires: 1976-05-08
Abstract
No abstract record available.
Inventors
- 👤 Alvin Guy Van Alstyne
- 👤 Sampson James Christopher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
G; G08; G08G; G08G5/00; G08G5/20; G08G5/22; G01; G01S; G01S13/00; G01S13/88; G01S13/91; G01S13/913; G04; G04F; G04F10/00; G08G5/50; G08G5/54; G08G5/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |