Patent US2504519A successfully refreshed from Google Patents.
US2214814A
Expired / Lapsed
US
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Feed for machines for placing rings on bobbins
Assignee: H & P Spool And Bobbin Co
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Filing: 1937-12-07
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Granted: 1940-09-17
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Expires: 1957-12-07
Abstract
No abstract record available.
Inventors
- 👤 Hambleton Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:02
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; B65G47/1478; B23; B23P; B23P19/00; B23P19/04; B23P19/08; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/118; Y10T; Y10T29/00; Y10T29/53; Y10T29/53287; Y10T29/53478; Y10T29/53696
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) | 1943-09-17 | 1944-03-18 | 1944-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-17 | 1948-03-18 | 1948-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-17 | 1952-03-18 | 1952-09-17 | $7700.00 | Window Closed / Lapsed |