US3129294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Call transmitting devices
Assignee: Individual
•
Filing: 1958-02-26
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Granted: 1964-04-14
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Expires: 1978-02-26
Abstract
No abstract record available.
Inventors
- 👤 Henatsch Reynold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:09
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; H04M1/278; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7802; Y10T70/7819
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
WITH AN AUTOMATIC TELEPHONING DEVICE HAVING MECHANISMS FOR PRODUCING ELECTRICAL IMPULSES AND A PLURALITY OF ADJUSTABLE LEVERS BEING SIMULTANEOUSLY SET AND SEQUENTIALLY RELEASED TO ACTUATE AN IMPULSE SWITCH THROUGH A COMMON CAM SHAFT, AN ADJUSTABLE IMPULSE CONTROL MEMBER BEING USED FOR ADJUSTING THE SET OF THE LEVERS, SAID ADJUSTABLE IMPULSE CONTROL MEMBER COMPRISING, IN COMBINATION, A FILE CARD HAVING A PLURALITY OF IDENTICAL SLOTS OPENING INTO ONE EDGE; A PLURALITY OF SEPARATE BAR MEMBERS OF VARIOUS LENGTHS; AND MEANS FOR TEMPORARY ATTACHMENT OF THE BARS TO THE CARD IN A MANNER WHICH SHORTENS THE SLOTS TO VARIOUS LENGTHS ACCORDING TO THE LENGTH OF THE BARS.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |