US2837650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for generating stable frequencies
Assignee: LAVOIE LAB Inc
•
Filing: 1955-08-04
•
Granted: 1958-06-03
•
Expires: 1975-08-04
Abstract
No abstract record available.
Inventors
- 👤 Harry J Keen
- 👤 Muller Peter
- 👤 Colbert Donald
- 👤 Robert J Papaieck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:02
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/16; H03L7/20; H04; H04J; H04J1/00; H04J1/02; H04J1/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |