US2507597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airport fueling system
Assignee: ERIE METER SYSTEMS Inc
•
Filing: 1945-01-22
•
Granted: 1950-05-16
•
Expires: 1965-01-22
Abstract
No abstract record available.
Inventors
- 👤 Randall L Holdridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:08
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/28; Y; Y10; Y10T; Y10T137/00; Y10T137/3802; Y10T137/402; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6137; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/6966; Y10T137/6991; Y10T137/6995; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87973
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US330853A
Cited
US2203922A
Cited
US1633483A
Cited
US1599081A
Cited
US1872418A
Cited
US2017345A
Cited
US2362559A
Cited
US2393489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |