US3269074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sash and frame for windows and doors
Assignee: ARMSTADT Manufacturing Ltd
•
Filing: 1963-07-22
•
Granted: 1966-08-30
•
Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Darmstadt Otto Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:39
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/06; E06B3/08; E06B3/20; E06B3/22; E06B3/221; E06B3/222; E06B3/223; E06B3/30; E06B3/301; E06B3/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SASH FOR SUPPORTING A SHEET OF GLASS COMPRISING IN COMBINATION A RIGID REINFORCING MEMBER CONSISTING OF A PAIR OF CHANNELS EACH HAVING A WEB PORTION AND A PAIR OF ARMS, MEANS FOR RIGIDLY INTERCONNECTING SAID CHANNELS IN A SPACED, BACK-TO-BACK RELATION TO FORM A UNITARY STRUCTURE, ONE OF SAID CHANNEL HAVING ONE ARM LONGER THAN THE OTHER, A SHEATH FORMED FROM A RESILIENTLY MATERIAL SO CONSTRUCTED AND ARRANGED AS TO SUBSTANTIALLY ENVELOPE THE REINFORCING MEMBER, AND MEANS FOR REMOVABLY SECURING AT
Claim 2
Dependent Claim
82 words
A SASH FOR SUPPORTING A SHEET OF GLASS COMPRISING IN COMBINATION A RIGID REINFORCING MEMBER CONSISTING OF A PAIR OF CHANNELS EACH HAVING A WEB PORTION AND A PAIR OF ARMS, MEANS FOR RIGIDLY INTERCONNECTING SAID CHANNELS IN A SPACED, BACK-TO-BACK RELATION TO FORM A UNITARY STRUCTURE, ONE OF SAID CHANNEL HAVING ONE ARM LONGER THAN THE OTHER, A SHEATH FORMED FROM A RESILIENTLY MATERIAL SO CONSTRUCTED AND ARRANGED AS TO SUBSTANTIALLY ENVELOPE THE REINFORCING MEMBER, AND MEANS FOR REMOVABLY SECURING AT
References Cited (Backward Citations)
US1916913A
Cited
US2047937A
Cited
US2952883A
Cited
US2917792A
Cited
US2877511A
Cited
US3090083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |