US3091797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window structure
Assignee: SHILOH TOOL AND DIE Manufacturing CO
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Filing: 1961-04-26
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Granted: 1963-06-04
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Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 Dwight M Prosser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:21
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4446
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A WINDOW COMPONENT COMPRISING A METAL HOUSING OF CHANNEL-SHAPED CROSS-SECTION; A SPRING-AND-SHEAVE ASSEMBLY IN THE HOUSING, SAID SPRING-AND-SHEAVE ASSEMBLY EXTENDING LENGTHWISE FROM ONE END OF THE HOUSING TO THE OTHER; AN ANCHOR FOR ONE END OF THE SPRING-AND-SHEAVE ASSEMBLY AT ONE END OF THE HOUSING; AND, AT THE OPPOSITE END OF THE HOUSING, TONGUE-AND-SLOT CONNECTIONS FOR HOLDING IN PLACE THE OPPOSITE END OF THE SPRING-AND-SHEAVE
Claim 2
Dependent Claim
65 words
A WINDOW COMPONENT COMPRISING A METAL HOUSING OF CHANNEL-SHAPED CROSS-SECTION; A SPRING-AND-SHEAVE ASSEMBLY IN THE HOUSING, SAID SPRING-AND-SHEAVE ASSEMBLY EXTENDING LENGTHWISE FROM ONE END OF THE HOUSING TO THE OTHER; AN ANCHOR FOR ONE END OF THE SPRING-AND-SHEAVE ASSEMBLY AT ONE END OF THE HOUSING; AND, AT THE OPPOSITE END OF THE HOUSING, TONGUE-AND-SLOT CONNECTIONS FOR HOLDING IN PLACE THE OPPOSITE END OF THE SPRING-AND-SHEAVE
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |