US2515770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire hydrant
Assignee: Individual
•
Filing: 1948-10-26
•
Granted: 1950-07-18
•
Expires: 1968-10-26
Abstract
No abstract record available.
Inventors
- 👤 Gronberg John Henric Paulus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:12
CPC Classifications
E; E03; E03B; E03B9/00; Y; Y10; Y10T; Y10T137/00; Y10T137/402; Y10T137/5327; Y10T137/6851; Y10T137/6855; Y10T137/6906; Y10T137/8593; Y10T137/87917
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) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |