Patent US2284663A successfully refreshed from Google Patents.
US2284663A
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Assignee: Individual
•
Filing: 1939-03-17
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Granted: 1942-06-02
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Expires: 1959-03-17
Abstract
No abstract record available.
Inventors
- 👤 John E Kieffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:10
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/44; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24215; Y10T428/24231; Y10T428/2424; Y10T428/24248; Y10T428/24256; Y10T428/24273; Y10T428/24322; Y10T428/24479; Y10T428/24562; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24711; Y10T428/31504; Y10T428/31971; Y10T428/31993
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) | 1945-06-01 | 1945-12-01 | 1946-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-01 | 1949-12-01 | 1950-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-01 | 1953-12-01 | 1954-06-02 | $7700.00 | Window Closed / Lapsed |