Patent US2801650A successfully refreshed from Google Patents.
US2801650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filling structure
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1954-12-28
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Granted: 1957-08-06
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Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Rudolph H Breeback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:55
CPC Classifications
B; B67; B67C; B67C7/00; B67C7/0006; B67C7/004; B67C7/0046; B67C2007/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US956286A
Cited
US2145765A
Cited
US2202033A
Cited
US2122769A
Cited
US2108522A
Cited
US2187332A
Cited
US2371419A
Cited
US2535859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |