US2364674A
Expired / Lapsed
US
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Metallic leaf
Assignee: M Swift & Sons Inc
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Filing: 1939-11-27
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Granted: 1944-12-12
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Expires: 1959-11-27
Abstract
No abstract record available.
Inventors
- 👤 Donald D Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:43
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/936; Y10T; Y10T29/00; Y10T29/30; Y10T29/301; Y10T29/302; Y10T428/00; Y10T428/12; Y10T428/12431; Y10T428/12438; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549; Y10T428/12771; Y10T428/12861; Y10T428/12889; Y10T428/12896; Y10T428/31504; Y10T428/31678; Y10T428/31703; Y10T428/31714; Y10T428/31801; Y10T428/31804; Y10T428/31808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-12-12 | 1948-06-12 | 1948-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-12-12 | 1952-06-12 | 1952-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-12-12 | 1956-06-12 | 1956-12-12 | $7700.00 | Window Closed / Lapsed |