Patent US4653021A successfully refreshed from Google Patents.
US2831422A
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US
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Textile strapping machine
Assignee: Acme Steel Co
•
Filing: 1952-11-15
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Granted: 1958-04-22
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Expires: 1972-11-15
Abstract
No abstract record available.
Inventors
- 👤 Donald E Black
- 👤 Willard E Collins
- 👤 James N Wognum
- 👤 Ott John Ekern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:18
CPC Classifications
B; B65; B65B; B65B27/00; B65B27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1983473A
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US1805791A
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US2194108A
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US2183798A
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US2375769A
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US2416859A
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US2597675A
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US2631526A
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US2588085A
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US2604831A
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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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |