US3453794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facade cladding,in particular for a bungalow
Assignee: Hunter Douglas International Ltd
•
Filing: 1964-11-09
•
Granted: 1969-07-08
•
Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Dirk Evert Blok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:15
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/12; E04F13/0801; E04F13/0803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144265A
Cited
AT101386B
Cited
US2192730A
Cited
US2574937A
Cited
US2855871A
Cited
FR1257465A
Cited
US3228159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |