Patent US2720003A successfully refreshed from Google Patents.
US2720003A
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Apparatus and method of making clothespins
Assignee: E W HARRIS
•
Filing: 1952-10-17
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Granted: 1955-10-11
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Expires: 1972-10-17
Abstract
No abstract record available.
Inventors
- 👤 Richard A Harris
- 👤 Roy E Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:55
CPC Classifications
D; D06; D06F; D06F55/00; B; B29; B29C; B29C31/00; B29C31/008; B29C33/00; B29C33/12; B29C39/00; B29C39/02; B29C39/10; B29C70/00; B29C70/68; B29C70/74; B29C70/76; B29D; B29D5/00; B29L; B29L2031/00; B29L2031/727; B29L2031/7282; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |