Patent US3540177A successfully refreshed from Google Patents.
US3540177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
House construction
Assignee: INTERN MODULAR COMPONENTS
•
Filing: 1967-11-20
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Granted: 1970-11-17
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Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Slining
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:00
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2463; E04B2001/2481; E04B2001/2484; E04B2001/249
Claims Analysis
Total Claims: 0
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US1622962A
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GB235631A
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US2217374A
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US2348180A
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US2585082A
Cited
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FR1105203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |