US2812200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means to attach a ring to pipe
Assignee: Individual
•
Filing: 1955-05-16
•
Granted: 1957-11-05
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Expires: 1975-05-16
Abstract
No abstract record available.
Inventors
- 👤 Yeargan Ervin Beauregard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:55
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/02; B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0436; E21B17/00; E21B17/10; E21B17/1014; E21B17/1021; E21B17/1028; Y; Y10; Y10T; Y10T403/00; Y10T403/16; Y10T403/1608; Y10T403/70; Y10T403/7062; Y10T403/7064; Y10T403/7066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US180304A
Cited
US389005A
Cited
CA464937A
Cited
US1031637A
Cited
US1491229A
Cited
US2062628A
Cited
US2697621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |