US3500126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for simulating a flame
Assignee: MICHAEL T FORD
•
Filing: 1968-11-19
•
Granted: 1970-03-10
•
Expires: 1988-11-19
Abstract
No abstract record available.
Inventors
- 👤 Michael T Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:46
CPC Classifications
H; H05; H05B; H05B39/00; H05B39/09; Y; Y10; Y10S; Y10S362/00; Y10S362/806; Y10S362/81
Claims Analysis
Total Claims: 0
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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) | 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 |