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US2431843A
Expired / Lapsed
US
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Injection press
Assignee: Individual
•
Filing: 1944-02-18
•
Granted: 1947-12-02
•
Expires: 1964-02-18
Abstract
No abstract record available.
Inventors
- 👤 Harold H Swoger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:26
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/70; B29C45/03; B29C45/04; B29C45/06; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1961941A
Cited
US2102328A
Cited
US2308636A
Cited
US2273713A
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US2309496A
Cited
US2351774A
Cited
US2322200A
Cited
US2273516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |