US2543590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling
Assignee: ERIE METER SYSTEMS Inc
•
Filing: 1948-01-28
•
Granted: 1951-02-27
•
Expires: 1968-01-28
Abstract
No abstract record available.
Inventors
- 👤 Rehl W Swank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:29
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/30; F16L37/36; F16L37/08; F16L37/10; F16L37/107; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87973; Y10T137/9247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |