Patent US1460764A successfully refreshed from Google Patents.
US1460764A
Expired / Lapsed
US
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Stuffing box for rotary driers, kilns, calcining furnaces, retorts, or the like
Assignee: Individual
•
Filing: 1922-12-08
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Granted: 1923-07-03
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Expires: 1942-12-08
Abstract
No abstract record available.
Inventors
- 👤 Nielsen Harald
- 👤 Laing Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:15
CPC Classifications
C; C10; C10B; C10B1/00; C10B1/10; Y; Y10; Y10S; Y10S277/00; Y10S277/903; Y10S277/93
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-07-02 | 1927-01-01 | 1927-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-07-02 | 1931-01-01 | 1931-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-07-02 | 1935-01-01 | 1935-07-03 | $7700.00 | Window Closed / Lapsed |