US2660459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing member
Assignee: Individual
•
Filing: 1948-12-09
•
Granted: 1953-11-24
•
Expires: 1968-12-09
Abstract
No abstract record available.
Inventors
- 👤 John E Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:02
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3232; F16J15/3236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189617957A
Cited
US685818A
Cited
DE653626C
Cited
GB518193A
Cited
US2281671A
Cited
US2254862A
Cited
US2424225A
Cited
US2527088A
Cited
US2465175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |