US2697453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Profile metal element made of a number of welded component parts, for frames of heddle shafts
Assignee: Individual
•
Filing: 1950-09-09
•
Granted: 1954-12-21
•
Expires: 1970-09-09
Abstract
No abstract record available.
Inventors
- 👤 Formenti Paolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:16
CPC Classifications
D; D03; D03C; D03C9/00; D03C9/06; D03C9/0608; D03C9/0616; D03C9/0625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426559A
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US631655A
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US1434189A
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US1644940A
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US1866908A
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CH155094A
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FR733443A
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US2418929A
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US2508032A
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CH271892A
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FR958059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |