US1908207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water supply system
Assignee: Individual
•
Filing: 1927-11-25
•
Granted: 1933-05-09
•
Expires: 1947-11-25
Abstract
No abstract record available.
Inventors
- 👤 John O Wrenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:32
CPC Classifications
F; F22; F22D; F22D5/00; F22D5/08; F22D5/12; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6552; Y10T137/7287; Y10T137/7358; Y10T137/742; Y10T137/7439; Y10T137/7475
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) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |