US3023458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding method and apparatus
Assignee: MORRIS MICHAEL MARKS
•
Filing: 1954-05-27
•
Granted: 1962-03-06
•
Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 James J Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:00
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/28; B29C45/2806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR962727A
Cited
US1939831A
Cited
US1983602A
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US2254233A
Cited
US2227263A
Cited
US2318031A
Cited
FR912194A
Cited
US2567147A
Cited
US2637073A
Cited
US2770011A
Cited
US2668325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |