US2908248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning and repairing pipe lines
Assignee: Individual
•
Filing: 1958-04-25
•
Granted: 1959-10-13
•
Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
- 👤 Robert J Brant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:25
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190406507A
Cited
US907724A
Cited
US1746071A
Cited
US2108319A
Cited
GB646400A
Cited
US2808852A
Cited
US2851061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |