US3499251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Room or cabin space partitioning system
Assignee: Blohm and Voss GmbH
•
Filing: 1967-10-25
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Granted: 1970-03-10
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Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Fritz Sandmann
- 👤 Arno Votteler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:05
CPC Classifications
B; B63; B63B; B63B29/00; B63B29/02; B63B3/00; B63B3/14; B63B3/68; E; E04; E04B; E04B1/00; E04B1/348; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B2/7854; E04B2/82; E04B2002/7461; E04B2002/7462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE511174A
Cited
US1362069A
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GB445476A
Cited
US2446372A
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US2412404A
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US3087586A
Cited
US3203151A
Cited
US3251163A
Cited
FR1381274A
Cited
US3222030A
Cited
US3304677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |