US2437477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of articles from short lengths of tubes
Assignee: Individual
•
Filing: 1944-05-12
•
Granted: 1948-03-09
•
Expires: 1964-05-12
Abstract
No abstract record available.
Inventors
- 👤 Parkin Leslie
- 👤 Simpson John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:07
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/10; B21C37/107; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US137992A
Cited
US1087876A
Cited
US1878640A
Cited
US2007149A
Cited
US2326660A
Cited
US2324177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |