Patent GB734073A successfully refreshed from Google Patents.
US2699959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows type expansion joint for tubular conduits
Assignee: Individual
•
Filing: 1950-12-07
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Granted: 1955-01-18
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Expires: 1970-12-07
Abstract
No abstract record available.
Inventors
- 👤 James P Zallea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:08
CPC Classifications
F; F16; F16L; F16L51/00; F16L51/02; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F01N13/1811; F01N13/1816; F16L27/00; F16L27/10; F16L27/107; F16L27/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US327215A
Cited
US1239978A
Cited
CH191911A
Cited
GB498403A
Cited
US2208539A
Cited
US2298150A
Cited
US2418800A
Cited
US2489844A
Cited
US2445484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |