US3394517A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-leveling self-alining brick and block
Assignee: JOSEPH RALPH CATERINA
•
Filing: 1966-03-31
•
Granted: 1968-07-30
•
Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Caterina Joseph Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:15
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/04; E; E04; E04B; E04B2/00; E04B2/02; E04B2/04; E04B2/06; E04B2/08; E04B2002/0202; E04B2002/0204; E04B2002/0215; E04B2002/0217; E04B2002/0219; E04B2002/0221; E04B2002/0223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189605386A
Cited
GB189722798A
Cited
US1639063A
Cited
US1422146A
Cited
FR870225A
Cited
US2321403A
Cited
US2668435A
Cited
CH278209A
Cited
US2703487A
Cited
GB695023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |