Patent US3197929A successfully refreshed from Google Patents.
US3197929A
Expired / Lapsed
US
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Prefabricated wall units with expansible connecting means
Assignee: Individual
•
Filing: 1962-09-19
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Granted: 1965-08-03
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Oddvar S Halbostad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:40
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B2/7854; E04B2/7407; E04B2/7409; E04B2/80; E04B2/82; E04B2/821; E04C; E04C2/00; E04C2/30; E04C2/38; E04B2002/749; E04B2002/7492; E04B2002/7494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1758489A
Cited
US1987828A
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US2156347A
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US2066718A
Cited
CH247939A
Cited
DE955816C
Cited
US2933167A
Cited
DE1023875B
Cited
US3017970A
Cited
GB853216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |