US2472793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas stove valve operator guard
Assignee: Individual
•
Filing: 1947-06-12
•
Granted: 1949-06-14
•
Expires: 1967-06-12
Abstract
No abstract record available.
Inventors
- 👤 Conterno Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:48
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/12; F24C3/124; F24C15/00; F24C15/36; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5624; Y10T70/5628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1588890A
Cited
US1662640A
Cited
US1726979A
Cited
US1891078A
Cited
US1949178A
Cited
US2094441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |