US2941284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for attaching couplings
Assignee: TAYLOR WILSON Manufacturing CO
•
Filing: 1954-08-10
•
Granted: 1960-06-21
•
Expires: 1974-08-10
Abstract
No abstract record available.
Inventors
- 👤 Mcconnell William Mynard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:28
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1386585A
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US1763927A
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US1765825A
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DE563436C
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US2426095A
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US2449059A
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US2639497A
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US2526900A
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US2559703A
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US2756490A
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US2627772A
Cited
US2763236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |