Patent US2602310A successfully refreshed from Google Patents.
US2602310A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1946-03-22
•
Granted: 1952-07-08
•
Expires: 1966-03-22
Abstract
No abstract record available.
Inventors
- 👤 Hansen Roy Dahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/02; A47G19/06; A47G23/00; A47G23/06; A47G23/0633; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44034; Y10T24/44043; Y10T24/4406; Y10T24/44573
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |