US2641010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cutter device for pipe cleaners
Assignee: PITTSBURGH PIPE CLEANER Co
•
Filing: 1947-05-16
•
Granted: 1953-06-09
•
Expires: 1967-05-16
Abstract
No abstract record available.
Inventors
- 👤 Walter S Lang
- 👤 Lawrence R Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:41
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0436; F; F16; F16L; F16L2101/00; F16L2101/10; F16L2101/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE134565C
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US348141A
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US572359A
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US597421A
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DE128190C
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US775679A
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US931963A
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US1028075A
Cited
US1278453A
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US1758132A
Cited
FR750748A
Cited
US2173606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |