Patent US4913292A successfully refreshed from Google Patents.
Patent US1413938A successfully refreshed from Google Patents.
US1413938A
Expired / Lapsed
US
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Automatic valve
Assignee: Individual
•
Filing: 1920-10-01
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Granted: 1922-04-25
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Expires: 1940-10-01
Abstract
No abstract record available.
Inventors
- 👤 Schneider Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:28
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/02; B67C3/22; B67C3/26; B67C3/2637; B67C3/264; B67C3/28; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7922; Y10T137/7927; Y10T137/7928
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) | 1925-04-24 | 1925-10-24 | 1926-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-04-24 | 1929-10-24 | 1930-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-04-24 | 1933-10-24 | 1934-04-25 | $7700.00 | Window Closed / Lapsed |