US2701515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window ventilator
Assignee: Individual
•
Filing: 1952-06-18
•
Granted: 1955-02-08
•
Expires: 1972-06-18
Abstract
No abstract record available.
Inventors
- 👤 John C Rinker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:10
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/04; E06B7/06; E06B9/00; E06B9/52; E06B2009/528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1777198A
Cited
US1899943A
Cited
US1936513A
Cited
US1972274A
Cited
US1975825A
Cited
US2404807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |