US3184012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated house structures
Assignee: Sekisui Chemical Co Ltd
•
Filing: 1961-03-08
•
Granted: 1965-05-18
•
Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Fujishima Shohei
- 👤 Ishimoto Tokusaburo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:29
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/348; E04B1/34815; E04B1/3483; E04B1/35; E04B1/2403; E04B2001/2415; E04B2001/2448; E04B2001/2463; E04B2001/2481; E04B2001/2487; E04B2001/2496; E04B1/38; E04B1/58; E04B2001/5868
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1375402A
Cited
US2023914A
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GB459622A
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US2365579A
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US2453326A
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US2480330A
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US2602968A
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US2666507A
Cited
US2801716A
Cited
US2816329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |