US3524293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for construction of multistoried buildings
Assignee: J P VAN EESTEREN S ADMINISTRAT
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Filing: 1968-07-03
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Granted: 1970-08-18
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Expires: 1988-07-03
Abstract
No abstract record available.
Inventors
- 👤 Adriaan Leyten
- 👤 Dirk K Verburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:12
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/16; E04B1/161; E04G; E04G11/00; E04G11/06; E04G17/00; E04G17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |