US3170875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colander
Assignee: Dart Industries Inc
•
Filing: 1962-03-12
•
Granted: 1965-02-23
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 James B Swett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:30
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/24; Y; Y10; Y10S; Y10S55/00; Y10S55/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US193244A
Cited
US1134837A
Cited
FR928222A
Cited
US2541094A
Cited
US2649991A
Cited
US2663428A
Cited
US2816589A
Cited
DE1007694B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |