US2603875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line holder for masons
Assignee: Individual
•
Filing: 1949-06-20
•
Granted: 1952-07-22
•
Expires: 1969-06-20
Abstract
No abstract record available.
Inventors
- 👤 John H Kroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:42
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/18; E04G21/1808; E04G21/1825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US817357A
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US765250A
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US847824A
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US995714A
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US1004194A
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US1594836A
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US2208085A
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US2215663A
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US2505606A
Cited
US2529056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |