US2661610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for conically shaped cups
Assignee: Reconstruction Finance Corp
•
Filing: 1951-02-21
•
Granted: 1953-12-08
•
Expires: 1971-02-21
Abstract
No abstract record available.
Inventors
- 👤 Treff Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:33
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/02; A47G23/0208; A47G23/0216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US395409A
Cited
GB190309676A
Cited
US1957263A
Cited
US2229512A
Cited
US2414920A
Cited
US2487712A
Cited
US2552080A
Cited
US2570954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |