Patent US3466818A successfully refreshed from Google Patents.
US3466818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated buildings
Assignee: C Van der Lely NV
•
Filing: 1966-06-16
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Granted: 1969-09-16
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Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 Cornelis Van Der Lely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:21
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/348; E04B1/34815; E04B2001/34892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US3210902A
Cited
FR1245658A
Cited
US3256652A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |