US2720680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and machines for producing tubing and sheeting
Assignee: Individual
•
Filing: 1952-02-29
•
Granted: 1955-10-18
•
Expires: 1972-02-29
Abstract
No abstract record available.
Inventors
- 👤 Milo R Gerow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:37
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/90; B29C48/901; B29C48/902; B29C48/03; B29C48/09; B29C48/10; B29C48/001; B29C48/0018; B29C48/0019; B29C48/0022; B29C48/12; B29C48/15; B29C48/151; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1133610A
Cited
US1601686A
Cited
GB431619A
Cited
US2177633A
Cited
US2317687A
Cited
US2491589A
Cited
US2449945A
Cited
US2433937A
Cited
US2631332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |