US2805741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivoted window sash with sash sealing means
Assignee: Reynolds Metals Co
•
Filing: 1954-04-22
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Granted: 1957-09-10
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Expires: 1974-04-22
Abstract
No abstract record available.
Inventors
- 👤 Lyon D Evans
- 👤 Norman J Hebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:15
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/40; E05; E05D; E05D7/00; E05D7/08; E05D7/082; E05D7/083; E06B7/00; E06B7/16; E06B7/22; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US509704A
Cited
GB387931A
Cited
US2090552A
Cited
US2207065A
Cited
US2268114A
Cited
GB542901A
Cited
US2541287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |