US1915029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing pipe
Assignee: NAYLOR PIPE Co
•
Filing: 1929-08-31
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Granted: 1933-06-20
•
Expires: 1949-08-31
Abstract
No abstract record available.
Inventors
- 👤 Carl G Naylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:19
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/032; B23K9/0325; B21; B21C; B21C37/00; B21C37/06; B21C37/12
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) | 1936-06-19 | 1936-12-19 | 1937-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-19 | 1940-12-19 | 1941-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-19 | 1944-12-19 | 1945-06-20 | $7700.00 | Window Closed / Lapsed |