US3175652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for interconnecting adjacent wall sections
Assignee: —
•
Filing: —
•
Granted: 1965-03-30
•
Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:30
CPC Classifications
C; C21; C21D; C21D9/00; E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6145; E04B1/615; F; F16; F16B; F16B5/00; F16B5/0004; F16B5/0056; F16B5/0076; F26; F26B; F26B25/00; F26B25/06; F26B25/08; F26B25/12; F27; F27D; F27D1/00; F27D1/16; F27D1/1621; F27D1/14; F27D1/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1178491A
Cited
US2805739A
Cited
US2933167A
Cited
US2888112A
Cited
US2801141A
Cited
US2994414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |