US3289741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled partition assembly
Assignee: —
•
Filing: —
•
Granted: 1966-12-06
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:47
CPC Classifications
E; E05; E05D; E05D15/00; E06; E06B; E06B3/00; E06B3/92; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/605; E05F15/632; E05F15/635; E05F15/643; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/656; E05Y2600/00; E05Y2600/40; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
A FOLDABLE DOOR ASSEMBLY COMPRISING A TRACK, A DOOR MEMBER MOUNTED FOR TRANSLATORY MOVEMENT ALONG SAID TRACK, SAID MEMBER HAVING MOTOR MEANS MOUNTED THEREON, REGULARLY SPACED TOOTHED MEMBERS FORMED ON SAID TRACK DRIVE MEANS OPERATIVELY CONNECTED TO SAID MOTOR MEANS, SAID DRIVE MEANS INCLUDING A CHAIN LINK IN DRIVING RELATIONSHIP WITH SAID MOTOR MEANS, IDLER SPROCKET MEANS CAR-
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |