Patent US2773302A successfully refreshed from Google Patents.
US2773302A
Expired / Lapsed
US
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Pack for making rolled aluminum clad plate
Assignee: Lukens Steel Co
•
Filing: 1951-06-21
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Granted: 1956-12-11
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Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas T Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:23
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/227; B23K20/2275; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T29/00; Y10T29/30; Y10T29/301; Y10T29/302; Y10T428/00; Y10T428/12; Y10T428/12292; Y10T428/12347; Y10T428/12486; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 0
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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) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |