US3352075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable wall construction of panels held by channels at top and bottom
Assignee: Emerson Process Management Ltd
•
Filing: 1964-11-09
•
Granted: 1967-11-14
•
Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Frank D Werner
- 👤 Robert A Lundquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:21
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/7401; E04B2/7405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1803589A
Cited
US1960575A
Cited
US2105588A
Cited
US2682087A
Cited
US2904991A
Cited
US3189135A
Cited
US3195698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |