Patent US2929236A successfully refreshed from Google Patents.
US2929236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building wall construction
Assignee: STEWARD CONSTRUCTION Co
•
Filing: 1955-03-29
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Granted: 1960-03-22
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Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Harold W Steward
- 👤 Ronald V Steward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/04; E04B1/06; E04B2/00; E04B2/02; E04B2/14; E04B2/16; E04B2/20; E04B2002/0202; E04B2002/0243; E04B2002/0254; E04B2002/0256; E04B2002/0265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US764313A
Cited
US1093127A
Cited
GB106399A
Cited
US1285458A
Cited
GB195570A
Cited
US1734771A
Cited
US2011018A
Cited
US2241169A
Cited
US2234559A
Cited
GB582249A
Cited
DK21795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |