US2463327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water sterilizer
Assignee: Foster D Snell Inc
•
Filing: 1943-04-03
•
Granted: 1949-03-01
•
Expires: 1963-04-03
Abstract
No abstract record available.
Inventors
- 👤 Snell Foster Dee
- 👤 Rebecca L Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/23; A61L2/238; C; C02; C02F; C02F1/00; C02F1/50; C02F1/505
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) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |