US3623290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partition wall
Assignee: Individual
•
Filing: 1969-07-25
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Granted: 1971-11-30
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Expires: 1989-07-25
Abstract
Abstract A MOVABLE PARTITION WALL EMPLOYING PANELS WHICH ARE DETACHABLY MOUNTED ON STUDS. THE PANELS HAVE PARALLEL MARGINAL EDGES ALONG WHICH ARE DISPOSED CONTINUOUS TONGUES WITH COEXTENSIVE STOPS. THE STUDS ARE PROVIDED WITH SPACED FINGURES EXTENDING TOWARDS THE PANELS. EACH FINGER IS SUBSTANTIALLY COEXTENSIVE WITH THE STUD AND CARRIES A CONTINUOUS SHOULDER FOR INTERLOCKING ENGAGEMENT WITH A STOP WHEN THE TONGUES OF THE PANELS ARE INSERTED BETWEEN THE FINGURES OF THE STUDS.
Inventors
- 👤 Lucien R Downing Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:46
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B2/7854; E04B2/82; E04B2/825; E04B2002/7461; E04B2002/7462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |