US3480000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning gas oven
Assignee: Geo D Roper Corp
•
Filing: 1968-05-31
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Granted: 1969-11-25
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Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 Sumner H Torrey
- 👤 Donald J Dubuque
- 👤 Johnny C Weiss
- 👤 Norman R Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:51
CPC Classifications
F; F24; F24C; F24C14/00; F24C14/02; F24C14/025; F24C15/00; F24C15/20; F24C15/2007; F24C15/2014
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) | 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 |