US1546858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seamless connecter tube
Assignee: OTTO A ZINKE
•
Filing: 1924-04-07
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Granted: 1925-07-21
•
Expires: 1944-04-07
Abstract
No abstract record available.
Inventors
- 👤 Nathanson William
- 👤 Behm Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:47
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F01; F01P; F01P11/00; F01P11/04; F28; F28F; F28F9/00; F28F9/02; F28F9/0246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-07-20 | 1929-01-19 | 1929-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-20 | 1933-01-19 | 1933-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-20 | 1937-01-19 | 1937-07-21 | $7700.00 | Window Closed / Lapsed |