US2237537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means of making pouches
Assignee: NORTH AMERICAN CONTAINERS Inc
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Filing: 1938-06-20
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Granted: 1941-04-08
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Expires: 1958-06-20
Abstract
No abstract record available.
Inventors
- 👤 Percy M Yeates
- 👤 Donald D Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:20
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/01; B29C66/03; B29C66/032; B29C66/0326; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/70; B29C66/71; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/83; B29C66/834; B29C66/8351; B29C66/83511; B29C66/83513; B29D; B29D22/00; B29D22/003; B29C2793/00; B29C2793/009; B29C66/73; B29C66/735; B29C66/7352; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; B29L2031/7414; B31; B31B; B31B2155/00; B31B2160/00; B31B2160/10; B31B70/00; B31B70/74; B31B70/81; B31B70/84; B31B70/85; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
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) | 1944-04-07 | 1944-10-07 | 1945-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-07 | 1948-10-07 | 1949-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-07 | 1952-10-07 | 1953-04-08 | $7700.00 | Window Closed / Lapsed |