Patent US3039509A successfully refreshed from Google Patents.
US3039509A
Expired / Lapsed
US
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Cold vulcanizing dry repair patch
Assignee: Stahlgruber Otto Gruber GmbH and Co
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Filing: 1959-12-28
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Granted: 1962-06-19
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Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 Gruber Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:09
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/04; B29C73/10; B29L; B29L2030/00; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10882; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31667
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A MULTI-LAYER, COLD-VULCANZING DRY-REPAIR BODY FOR RUBBER ARTICLES IN THE FORM OF A PITCH HAVING A MAIN BODY CONTAINING VULCANIZED RUBBER AND A CONNECTING LAYER, N WHICH THE CONNECTING LAYER COMPRISES A MIXTURE OF UNVULCANIZED, VULCANIZABLE NATURAL RUBBER AND UNVULCANIZED, VULCANIZABLE SYNTHETIC RUBBER, IN WHICH ARE ADMIXED A PHENOL-FORMALDEHYDE RESIN AND AS ACCELERATOR A DOUBLE SALT CONSISTING OF A DITHIOCARBAMATE AND AN ORGANIC ALKALI.
Claim 2
Dependent Claim
64 words
A MULTI-LAYER, COLD-VULCANZING DRY-REPAIR BODY FOR RUBBER ARTICLES IN THE FORM OF A PITCH HAVING A MAIN BODY CONTAINING VULCANIZED RUBBER AND A CONNECTING LAYER, N WHICH THE CONNECTING LAYER COMPRISES A MIXTURE OF UNVULCANIZED, VULCANIZABLE NATURAL RUBBER AND UNVULCANIZED, VULCANIZABLE SYNTHETIC RUBBER, IN WHICH ARE ADMIXED A PHENOL-FORMALDEHYDE RESIN AND AS ACCELERATOR A DOUBLE SALT CONSISTING OF A DITHIOCARBAMATE AND AN ORGANIC ALKALI.
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |