Patent US3529328A successfully refreshed from Google Patents.
US3529328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic clothespin
Assignee: HOZ PIN CORP
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Filing: 1969-05-22
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Granted: 1970-09-22
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Expires: 1989-05-22
Abstract
No abstract record available.
Inventors
- 👤 Patrick T Davison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:03
CPC Classifications
A; A47; A47G; A47G25/00; A47G25/14; A47G25/48; A47G25/483; A47G25/485; D; D06; D06F; D06F55/00; A41; A41F; A41F19/00; A41F19/005; Y; Y10; Y10T; Y10T24/00; Y10T24/32; Y10T24/44; Y10T24/44641; Y10T24/44769
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190412478A
Cited
US2319292A
Cited
US2448611A
Cited
US3097406A
Cited
CH407444A
Cited
US3445898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |