Patent FR1289073A successfully refreshed from Google Patents.
Patent US3356820A successfully refreshed from Google Patents.
US3356820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weld override timer
Assignee: Weltronic Co
•
Filing: 1963-08-29
•
Granted: 1967-12-05
•
Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Jr George O'neal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:04
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; B; B23; B23K; B23K11/00; B23K11/24; B23K11/25
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A CONTROL FOR A WELDER HAVING A VARIABLE HEATING CYCLE INTERVAL COMPRISING MEANS TO DEFINE SAID HEATING CYCLE INTERVAL, MEANS TO GENERATE A FIRST SIGNAL IN RESPONSE TO THE INITIATION OF SAID HEATING CYCLE BY SAID DEFINING MEANS, AN OVERRIDE TIMER DEFINING AN INTERVAL WHICH IS VARIABLE WITH THE EXCEEDS SAID HEATING CYCLE INTERVAL THROUGH A RANGE OF CYCLE INTERVALS, MEANS INITIATING DEFINITION OF AN INTERVAL BY SAID OVERRIDE TIMER IN RESPONSE TO SAID FIRST SIGNAL, MEANS RESETTING THE INTERVAL DEFINED BY SAID OVERRIDE TIMER IN RESPONSE TO THE TERMINATION OF A HEATING CYCLE, AND MEANS TO TERMINATE SAID HEATING CYCLE UPON EXPIRATION OF THE INTERVAL DEFINED BY SAID OVERRIDE TIMER.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |