US3358404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Readily removable double hung window
Assignee: D J DINSMORE CO
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Filing: 1966-01-28
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Granted: 1967-12-19
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Expires: 1986-01-28
Abstract
No abstract record available.
Inventors
- 👤 Dawson J Dinsmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:34
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4446; E06B2003/4453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A READILY REMOVABLY DOUBLE HUNG WINDOW WITH BALANCE ASSEMBLY COMPRISING: A WINDOW CASING HAVING A PAIR OF JAMB CHANNELS ALONG THE SIDES OF THE SAME EXTENDING THE HEIGHT OF THE CASING, A PAIR OF SASH SLIDABLY MOUNTED IN THE JAMB CHANNELS, EACH OF SAID SASH HAVING GROOVED SIDE EDGES WITH FLANGE MEANS AT ONE END OF THE SAME, A BALANCE UNIT FOR EACH OF SAID SASH MEMBER ADAPTED TO BE POSITIONED BETWEEN THE SASH AND THE JAMB CHANNELS FOR THE WINDOW CASING, EACH OF SAID BALANCE UNITS BEING COMPRISED OF AN ELONGATED CHANNEL MEMBER HAVING A BIAS MEANS MOUNTED THEREIN AND A SASH CORD CONNECTED THERETO AND BIASED BY THE BIAS MEANS WITH THE FREE EXTREMITY OF THE SASH CORD EXTENDING THROUGH THE OPEN FACE OF THE CHANNEL AND TERMINATING IN A HOOK, SAID BALANCE UNITS BEING RESPECTIVELY POSITIONED IN THE SIDE JAMBS OF THE CHANNELS IN THE WINDOW CASING SUCH THAT THE GROOVED SIDE EDGES OF THE SASH FIT AROUND THE RESPECTIVE BALANCE UNIT AND SUCH THAT THE HOOK OF THE SASH CORDS OF THE BALANCE UNITS ARE CONNECTED INTO SLOTS IN THE SIDE JAMB AND SAID BALANCE UNITS ARE MOVABLE WITH THE SASHES AS THEY SLIDE IN THE JAMB CHANNEL THROUGH ENGAGEMENT OF ONE EXTREMITY OF THE
Claim 2
Dependent Claim
209 words
A READILY REMOVABLY DOUBLE HUNG WINDOW WITH BALANCE ASSEMBLY COMPRISING: A WINDOW CASING HAVING A PAIR OF JAMB CHANNELS ALONG THE SIDES OF THE SAME EXTENDING THE HEIGHT OF THE CASING, A PAIR OF SASH SLIDABLY MOUNTED IN THE JAMB CHANNELS, EACH OF SAID SASH HAVING GROOVED SIDE EDGES WITH FLANGE MEANS AT ONE END OF THE SAME, A BALANCE UNIT FOR EACH OF SAID SASH MEMBER ADAPTED TO BE POSITIONED BETWEEN THE SASH AND THE JAMB CHANNELS FOR THE WINDOW CASING, EACH OF SAID BALANCE UNITS BEING COMPRISED OF AN ELONGATED CHANNEL MEMBER HAVING A BIAS MEANS MOUNTED THEREIN AND A SASH CORD CONNECTED THERETO AND BIASED BY THE BIAS MEANS WITH THE FREE EXTREMITY OF THE SASH CORD EXTENDING THROUGH THE OPEN FACE OF THE CHANNEL AND TERMINATING IN A HOOK, SAID BALANCE UNITS BEING RESPECTIVELY POSITIONED IN THE SIDE JAMBS OF THE CHANNELS IN THE WINDOW CASING SUCH THAT THE GROOVED SIDE EDGES OF THE SASH FIT AROUND THE RESPECTIVE BALANCE UNIT AND SUCH THAT THE HOOK OF THE SASH CORDS OF THE BALANCE UNITS ARE CONNECTED INTO SLOTS IN THE SIDE JAMB AND SAID BALANCE UNITS ARE MOVABLE WITH THE SASHES AS THEY SLIDE IN THE JAMB CHANNEL THROUGH ENGAGEMENT OF ONE EXTREMITY OF THE
References Cited (Backward Citations)
US3114178A
Cited
US3290825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |