Patent US2856512A successfully refreshed from Google Patents.
US2856512A
Expired / Lapsed
US
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Stitch welding apparatus
Assignee: Taylor Winfield Corp
•
Filing: 1956-06-26
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Granted: 1958-10-14
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Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 Melvin M Seeloff
- 👤 Alfonce F Keyser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:46
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/10; B23K11/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US978418A
Cited
US1767521A
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US1884644A
Cited
US1946445A
Cited
US2673333A
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US2710327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |