US2943718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable panel assembly
Assignee: EF Hauserman Co
•
Filing: 1957-05-27
•
Granted: 1960-07-05
•
Expires: 1977-05-27
Abstract
No abstract record available.
Inventors
- 👤 Gordon J Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:39
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7416; E04B2/7433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US566168A
Cited
US1077857A
Cited
GB223454A
Cited
US1751526A
Cited
FR723691A
Cited
GB455749A
Cited
GB488511A
Cited
US2369402A
Cited
US2629139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |