US2857046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing containers for sheet wrapping material
Assignee: Dow Chemical Co
•
Filing: 1956-05-31
•
Granted: 1958-10-21
•
Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Walter A Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:31
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/67; B65D85/671; B65D85/672; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US527644A
Cited
US554769A
Cited
US1415722A
Cited
US1366241A
Cited
GB211074A
Cited
GB469522A
Cited
US2624521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |