US2663182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means to facilitate the laying of masonry units
Assignee: Individual
•
Filing: 1950-01-31
•
Granted: 1953-12-22
•
Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Paul H Sommers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:21
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/22; E04G21/20; E04G21/207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US661033A
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US1033453A
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US1298064A
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US1594775A
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US1573263A
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US1736812A
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US2428374A
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US2395438A
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US2437485A
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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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |