Patent US3416276A successfully refreshed from Google Patents.
US3416276A
Expired / Lapsed
US
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Masonry walls and partitions and method of fabricating same
Assignee: PLASTICRETE BLOCK AND SUPPLY Corp
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Filing: 1966-08-26
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Granted: 1968-12-17
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Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Arnold P Caputo
- 👤 Schupack Morris
- 👤 Alex D Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:22
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/14; E04B2/16; E04B2/28; E04B2002/0202; E04B2002/0204; E04B2002/0213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |