US3499354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated control systems
Assignee: General Electric Co
•
Filing: 1968-02-29
•
Granted: 1970-03-10
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Expires: 1988-02-29
Abstract
No abstract record available.
Inventors
- 👤 John D Layman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:21
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0075; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0363; Y10T83/141; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4659; Y10T83/525; Y10T83/531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3163065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |