Patent US3241802A successfully refreshed from Google Patents.
US3241802A
Expired / Lapsed
US
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Building form for concrete walls
Assignee: Individual
•
Filing: 1963-04-10
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Granted: 1966-03-22
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Expires: 1983-04-10
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:54
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/07; E04G17/0707; E04G17/0721; E04G11/00; E04G11/06; E04G11/08; E04G11/12; E04G2017/0646
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
A SECTIONAL FORM FOR POURED CONCRETE, VERTICAL WALLS COMPRISING: A PLURALITY OF SUBSTANTIALLY STANDARDIZED PANELS ARRANGED IN EDGE TO EDGE RELATION TO FORM A SUBSTANTIALLY HORIZONTAL ROW PRESENTING A SUBSTANTIALLY VERTICAL SURFACE AGAINST WHICH A MAIN WALL SURFACE IS CAST; OUTWARDLY PROJECTING CONNECTION POSTS RIGIDLY MOUNTED ADJACENT TO THE CORNERS OF SAID PANELS; CONNECTING MEANS FOR HORIZONTALLY ADJACENT PANEL EDGES COMPRISING VERTICALLY SPACED BRACKET PLATES AND VERTICALLY EXTENDING MEANS RIGIDLY CONNECTED TO SAID PLATES, SAID PLATES HAVING HORIZONTALLY SPACED SLOTS THEREIN RECEIVING SAID CONNECTION POSTS TO EXTEND THERETHROUGH; AND INTERLOCKING MEANS ENGAGING SAID CONNECTION POSTS BEHIND SAID BRACKET PLATES TO HOLD ADJACENT PANELS IN THE HORIZONTAL ROW TOGETHER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |