US2384198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking building structure
Assignee: EMILE S GUIGNON JR
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Filing: 1942-08-24
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Granted: 1945-09-04
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Expires: 1962-08-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph O Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:38
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34384; E04B1/32; E04B1/3205; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6166; E04B1/6175; F; F16; F16B; F16B5/00; F16B5/0004; F16B5/0056; F16B5/0068; F16B5/0072; E04B2001/3235; E04B2001/3252; E04B2001/327; E04B2001/3276; E04B2001/3288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-09-03 | 1949-03-05 | 1949-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-09-03 | 1953-03-05 | 1953-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-09-03 | 1957-03-05 | 1957-09-04 | $7700.00 | Window Closed / Lapsed |