US2727710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric iron supports
Assignee: Hoover Co
•
Filing: 1952-10-08
•
Granted: 1955-12-20
•
Expires: 1972-10-08
Abstract
No abstract record available.
Inventors
- 👤 William R Bidwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:04
CPC Classifications
D; D06; D06F; D06F79/00; D06F79/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US263722A
Cited
GB190900247A
Cited
US1814517A
Cited
US2021496A
Cited
US2662719A
Cited
US2603438A
Cited
US2584011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |