Patent US2962633A successfully refreshed from Google Patents.
US2962633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual push button control system
Assignee: Dictaphone Corp
•
Filing: 1955-06-24
•
Granted: 1960-11-29
•
Expires: 1975-06-24
Abstract
No abstract record available.
Inventors
- 👤 Henry L Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:20
CPC Classifications
F; F16; F16P; F16P3/00; F16P3/18; F16P3/20; Y; Y10; Y10S; Y10S83/00; Y10S83/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2067413A
Cited
DE727772C
Cited
US2322560A
Cited
US2465794A
Cited
US2579595A
Cited
US2669686A
Cited
US2541577A
Cited
US2705297A
Cited
US2753493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |