US3479759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion exhaust simulator
Assignee: Individual
•
Filing: 1968-11-27
•
Granted: 1969-11-25
•
Expires: 1988-11-27
Abstract
No abstract record available.
Inventors
- 👤 Donald J Lattis
- 👤 Wayne L Congleton
- 👤 Jose J Gomez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:41
CPC Classifications
A; A63; A63H; A63H5/00; B; B62; B62J; B62J50/00; B62J50/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2084855A
Cited
US2621441A
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US2597985A
Cited
US2624976A
Cited
CH304421A
Cited
FR1104139A
Cited
US2753830A
Cited
US3071892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |