US2888694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush assembly for pipe wrapping machine
Assignee: Individual
•
Filing: 1955-08-19
•
Granted: 1959-06-02
•
Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
- 👤 Sr Alvin E Betzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:35
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US214990A
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US427834A
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US594732A
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DE466073C
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US1718757A
Cited
US2027704A
Cited
US2471580A
Cited
US2641008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |