Patent US2589514A successfully refreshed from Google Patents.
US2589514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic thread
Assignee: Wingfoot Corp
•
Filing: 1949-03-23
•
Granted: 1952-03-18
•
Expires: 1969-03-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Stalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:34
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/02; D01F6/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A PLASTIC THREAD COMPRISING A CONTINUOUS CORE AND A RIBBON ROLLED AROUND THE CORE AND FORMING A SEALED ENCLOSING SHEATH IN STRETCHSHRUNK CONTACT ON THE CORE, THE RIBBON BEING OF VINYL CHLORIDE RESIN AND THE CORE BEING OF RUBBER HYDROCHLORIDE.
Claim 2
Dependent Claim
40 words
A PLASTIC THREAD COMPRISING A CONTINUOUS CORE AND A RIBBON ROLLED AROUND THE CORE AND FORMING A SEALED ENCLOSING SHEATH IN STRETCHSHRUNK CONTACT ON THE CORE, THE RIBBON BEING OF VINYL CHLORIDE RESIN AND THE CORE BEING OF RUBBER HYDROCHLORIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |