Patent US2581777A successfully refreshed from Google Patents.
US2581777A
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Combination connecting and stabilizing bar for masonry saws
Assignee: Clipper Manufacturing Co Inc
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Filing: 1948-11-08
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Granted: 1952-01-08
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Expires: 1968-11-08
Abstract
No abstract record available.
Inventors
- 👤 Harold J Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:48
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US671703A
Cited
US1023389A
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US1552968A
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US2171024A
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US2180743A
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US2377437A
Cited
US2450371A
Cited
US2455113A
Cited
US2441535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |