Patent US3662054A successfully refreshed from Google Patents.
US3662054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of rubber articles
Assignee: Semperit AG Holding
•
Filing: 1970-03-19
•
Granted: 1972-05-09
•
Expires: 1990-03-19
Abstract
Abstract A METHOD OF PRODUCING A RUBBER ARTICLE MANUFACTURED ACCORDING TO THE LATEX DIPPING METHOD, IN WHICH THE SURFACE TO COME INTO CONTACT WITH THE HUMAN BODY IS TREATED AND PREPARED RESPECTIVELY WITH A BUFFER SUBSTANCE TOLERATED BY THE SKIN, SELECTED FROM THE GROUP CONSISTING OF ESTERS OF OXY-BENZOIC ACID, IN ORDER TO NEUTRALIZE TRACES OF ALKALIS.
Inventors
- 👤 Ernest Wollmann
- 👤 Josef Zartl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:29
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; B29K; B29K2021/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31833
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |