US2597894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container weighing machine with buoyant liquid weighing medium
Assignee: Primerica Inc
•
Filing: 1949-12-30
•
Granted: 1952-05-27
•
Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ronald E J Nordquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:01
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/16; Y; Y10; Y10S; Y10S209/00; Y10S209/932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529188A
Cited
US1572055A
Cited
US1524928A
Cited
US2176784A
Cited
US2235725A
Cited
US2142920A
Cited
US2263811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |