Patent US2669343A successfully refreshed from Google Patents.
US2669343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer
Assignee: Individual
•
Filing: 1950-02-10
•
Granted: 1954-02-16
•
Expires: 1970-02-10
Abstract
No abstract record available.
Inventors
- 👤 Robert I Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:02
CPC Classifications
A; A47; A47F; A47F9/00; A47F9/02; A47F9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US800095A
Cited
US1671534A
Cited
US2057367A
Cited
US2276294A
Cited
US2237080A
Cited
US2317438A
Cited
US2497768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |