Patent US2208937A successfully refreshed from Google Patents.
Patent US2366087A successfully refreshed from Google Patents.
US2366087A
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US
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Machine for making tubular structures
Assignee: Individual
•
Filing: 1942-06-03
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Granted: 1944-12-26
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Expires: 1962-06-03
Abstract
No abstract record available.
Inventors
- 👤 Abel E Chernack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
B; B65; B65H; B65H81/00; B65H81/06; B65H81/08; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5185
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) | 1947-12-26 | 1948-06-26 | 1948-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-12-26 | 1952-06-26 | 1952-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-12-26 | 1956-06-26 | 1956-12-26 | $7700.00 | Window Closed / Lapsed |