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US2579094A
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Stacking apparatus
Assignee: Turners Asbestos Cement Co Ltd
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Filing: 1946-06-01
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Granted: 1951-12-18
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Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 Rooksby William Holdsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:24
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/26; B65H29/32; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US493476A
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US571699A
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US696186A
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US940497A
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US1428716A
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US1554429A
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US2170025A
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US2224802A
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US2295055A
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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) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |