Patent US3145433A successfully refreshed from Google Patents.
US3145433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weatherstrip assembly for double hung windows
Assignee: Curtis Companies Inc
•
Filing: 1962-06-04
•
Granted: 1964-08-25
•
Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 Merlin K Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:09
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/263; E06B3/26347; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4446
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A WATHERSTRIP ASSEMBLY FOR A DOUBLE HUNG WINDOW HAVING A WINDOW FRAME AND SASHES THEREIN, A PAIR OF ELONGATED METAL MEMBERS AND AN ELONGATED HARD PLASTIC MEMBER ASSEMBLED TOGETHER SO THAT THE PLASTIC MEMBER FORMS A THERMAL BARRIER BETWEEN THE TWO METAL MEMBERS, SAID PLASTIC MEMBER HAVING A PAIR OF GUIDE BEADS LONGITUDINALLY THEREOF AND RIGIDLY SPACED APART RELATIVE TO EACH OTHER THROUGHOUT THEIR LENGTH, ADJACENT WINDOW SASHES HAV-
Claim 2
Dependent Claim
70 words
IN A WATHERSTRIP ASSEMBLY FOR A DOUBLE HUNG WINDOW HAVING A WINDOW FRAME AND SASHES THEREIN, A PAIR OF ELONGATED METAL MEMBERS AND AN ELONGATED HARD PLASTIC MEMBER ASSEMBLED TOGETHER SO THAT THE PLASTIC MEMBER FORMS A THERMAL BARRIER BETWEEN THE TWO METAL MEMBERS, SAID PLASTIC MEMBER HAVING A PAIR OF GUIDE BEADS LONGITUDINALLY THEREOF AND RIGIDLY SPACED APART RELATIVE TO EACH OTHER THROUGHOUT THEIR LENGTH, ADJACENT WINDOW SASHES HAV-
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |