Patent US2853773A successfully refreshed from Google Patents.
US2853773A
Expired / Lapsed
US
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Pipe joint aligner and wiper
Assignee: Individual
•
Filing: 1955-11-23
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Granted: 1958-09-30
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Expires: 1975-11-23
Abstract
No abstract record available.
Inventors
- 👤 Darasko Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:40
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/06; F16L1/10; F16L55/00; F16L55/10; F16L55/12; F16L55/128; F16L55/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US491184A
Cited
US1710439A
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GB366261A
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US1893979A
Cited
US1980419A
Cited
US2177916A
Cited
US2315538A
Cited
US2519661A
Cited
US2550672A
Cited
US2615414A
Cited
US2668511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |