US2474136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing of plastic material
Assignee: Lever Brothers Co
•
Filing: 1946-04-23
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Granted: 1949-06-21
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Expires: 1966-04-23
Abstract
No abstract record available.
Inventors
- 👤 Wilson Arthur Dacre
- 👤 Dalziel William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:38
CPC Classifications
B; B65; B65B; B65B3/00; B65B3/04; B65B3/10; B65B3/12; A; A01; A01J; A01J21/00; A01J21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |