US2157794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Making receptacles
Assignee: Evans Case Co
•
Filing: 1937-12-18
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Granted: 1939-05-09
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Expires: 1957-12-18
Abstract
No abstract record available.
Inventors
- 👤 Edmund R Macdonald
- 👤 Ellison S Irelan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:26
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/4266; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B29C53/06; B29C53/063; B29C37/00; B29C37/0053; B29C37/0057; B31; B31B; B31B50/00; B31B50/25; Y; Y10; Y10S; Y10S220/00; Y10S220/26; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026
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) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |