Patent US2865660A successfully refreshed from Google Patents.
US2865660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internally reinforced bellows-type expansion joint unit
Assignee: Individual
•
Filing: 1953-08-03
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Granted: 1958-12-23
•
Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 James P Zallea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:55
CPC Classifications
F; F16; F16L; F16L51/00; F16L51/02; F16L51/025; F16L51/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US582804A
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US2770259A
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US1052709A
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US1345971A
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US2243522A
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US2318006A
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US2411874A
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CH248073A
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US2699959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |