US2585283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for facilitating the laying of masonry units
Assignee: Individual
•
Filing: 1949-05-13
•
Granted: 1952-02-12
•
Expires: 1969-05-13
Abstract
No abstract record available.
Inventors
- 👤 Paul H Sommers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:59
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/18; E04G21/1841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US715946A
Cited
US814926A
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US915982A
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US1080836A
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US2286669A
Cited
US2261503A
Cited
US2438613A
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US2395438A
Cited
US2466919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |