US3240259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
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Filing: 1963-10-01
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Granted: 1966-03-15
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Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Kelleher
- 👤 Peter E Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:13
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4609; Y; Y10; Y10S; Y10S292/00; Y10S292/02; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/108
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A WINDOW FRAME STRUCTURE HAVING SPACED VERTICAL MEMBERS, HORIZONTAL HEAD AND SILL MEMBERS PROVIDING AN OPENING FOR A FIXED CLOSURE PANEL, A VENTILATOR MOVABLE HORIZONTALLY IN THE FRAME EXTERIOR OF THE FIXED PANEL, A SCREEN PANEL IN THE FRAME INTERIOR OF THE FIXED PANEL, A HORIZONTALLY EXTENDING DETACHABLE SILL MEMBER ON THE FRAME SILL, THE SCREEN PANEL HAVING A SILL MEMBER SPACED ABOVE THE DETACHABLE SILL, A HORIZONTALLY EXTENDING RIB ON THE DETACHABLE SILL SPACED FROM THE SCREEN TOWARD THE VENTILATOR, A WEATHERSTIP HAVING PILE EXTENDING BETWEEN THE RIB AND THE SCREEN SILL, AND AN OPERATOR ATTACHED TO THE VENTILATOR HAVING A PORTION EXTENDING BETWEEN THE SCREEN SILL AND THE DETACHABLE SILL AND A PORTION EXTENDING THROUGH THE PILE.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |