US2806724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling clamp
Assignee: McGraw Edison Co
•
Filing: 1954-12-06
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Granted: 1957-09-17
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Expires: 1974-12-06
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Anspach
- 👤 Kowalski Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:29
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/20; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; F16L; F16L21/00; F16L21/06; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5733
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) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |