Patent US3531807A successfully refreshed from Google Patents.
US3531807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twistable plastic garment stay
Assignee: Plasti form Enterprises Inc
•
Filing: 1969-01-28
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Granted: 1970-10-06
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Expires: 1989-01-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph Devito
- 👤 Donald Tendrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:08
CPC Classifications
A; A41; A41D; A41D27/00; A41D27/02; A41D27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US444809A
Cited
US1113758A
Cited
US1142045A
Cited
US1242064A
Cited
US1488305A
Cited
US3030633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |