Patent US2714447A successfully refreshed from Google Patents.
US2714447A
Expired / Lapsed
US
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Tubing and method of producing same
Assignee: Houdaille Hershey Corp
•
Filing: 1950-06-22
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Granted: 1955-08-02
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Expires: 1970-06-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Gardes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:59
CPC Classifications
B; B23; B23K; B23K13/00; B23K13/01; B23K13/02; B21; B21C; B21C37/00; B21C37/06; B21C37/08
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |