US2160367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making sealed packages
Assignee: Stokes and Smith Co
•
Filing: 1937-11-27
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Granted: 1939-05-30
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Expires: 1957-11-27
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Maxfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:55
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/10; B65B9/20; B65B9/213; B65B31/00; B65B31/04; B65B31/044; B65B31/045; B65B37/00; B65B37/08; B65B37/10
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) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |