US2835126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building walls
Assignee: Plasticrete Corp
•
Filing: 1953-05-22
•
Granted: 1958-05-20
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 Paolella Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:52
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/14; E04B2/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US501622A
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US844296A
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US1154546A
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US2102447A
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US2089495A
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US2176986A
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US2208191A
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US2493547A
Cited
US2696102A
Cited
US2708358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |