Patent US2590437A successfully refreshed from Google Patents.
US2590437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination salt and pepper shaker with slidable perforate valve plate for selective discharge
Assignee: Individual
•
Filing: 1946-08-24
•
Granted: 1952-03-25
•
Expires: 1966-08-24
Abstract
No abstract record available.
Inventors
- 👤 Verner A H Maves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:34
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US183555A
Cited
US618138A
Cited
US1254409A
Cited
US1283447A
Cited
US1292506A
Cited
US1678487A
Cited
US1802199A
Cited
US1952016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |