US2599833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety lock for the clamps of mixing machines
Assignee: Individual
•
Filing: 1950-11-30
•
Granted: 1952-06-10
•
Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 Evar A Holmlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:48
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/20; B01F31/201; B01F35/00; B01F35/40; B01F35/42; B01F35/423; Y; Y10; Y10S; Y10S366/00; Y10S366/605; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/931; Y10S411/936; Y10T; Y10T70/00; Y10T70/50; Y10T70/5009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |