US3331425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pass-through curtain
Assignee: Individual
•
Filing: 1965-06-25
•
Granted: 1967-07-18
•
Expires: 1985-06-25
Abstract
No abstract record available.
Inventors
- 👤 Groves L Stuart
- 👤 Philip N Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:01
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PASS-THROUGH CURTAIN FOR DOORWAYS AND THE LIKE, COMPRISING (A) A RELATIVELY LARGE MAIN BODY PANEL OF FLEXIBLE MATERIAL ADAPTED TO BE SUSPENDED ACROSS THE UPPER PORTION OF SAID DOORWAY, (B) A PLURALITY OF RELATIVELY SMALL LOWER PANELS OF FLEXIBLE MATERIAL DETACHABLY CONNECTED ALONG THE LOWER EDGE OF SAID MAIN BODY PANEL FOR SPANNING THE LOWER PORTION OF SAID DOORWAY, (C) ELONGATED RIGID MEMBERS CONNECTED TO AND EXTENDING ACROSS THE UPPER AND LOWER MARGINS OF SAID MAIN BODY PANEL, AND (D) SUPPORTING MEANS FOR MOUNTING THE UPPER MEMBER ACROSS THE TOP OF SAID DOORWAY.
Claim 2
Dependent Claim
94 words
A PASS-THROUGH CURTAIN FOR DOORWAYS AND THE LIKE, COMPRISING (A) A RELATIVELY LARGE MAIN BODY PANEL OF FLEXIBLE MATERIAL ADAPTED TO BE SUSPENDED ACROSS THE UPPER PORTION OF SAID DOORWAY, (B) A PLURALITY OF RELATIVELY SMALL LOWER PANELS OF FLEXIBLE MATERIAL DETACHABLY CONNECTED ALONG THE LOWER EDGE OF SAID MAIN BODY PANEL FOR SPANNING THE LOWER PORTION OF SAID DOORWAY, (C) ELONGATED RIGID MEMBERS CONNECTED TO AND EXTENDING ACROSS THE UPPER AND LOWER MARGINS OF SAID MAIN BODY PANEL, AND (D) SUPPORTING MEANS FOR MOUNTING THE UPPER MEMBER ACROSS THE TOP OF SAID DOORWAY.
References Cited (Backward Citations)
US333158A
Cited
US1726887A
Cited
US1778499A
Cited
US2122532A
Cited
US2500074A
Cited
US3035275A
Cited
US3136356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |