US3020587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the manufacture of sealing strips or gaskets
Assignee: Sterling Alderfer Co
•
Filing: 1958-04-03
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Granted: 1962-02-13
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Expires: 1978-04-03
Abstract
No abstract record available.
Inventors
- 👤 Sterling W Alderfer
- 👤 Bodley Harry David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:30
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0053; B29C; B29C33/00; B29C44/00; B29C44/02; B29C44/04; B29C44/0461; B29C44/0469; B29C44/20; B29C44/30; B29C44/302; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10S; Y10S425/00; Y10S425/044; Y10S425/055; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
APPARATUS FOR THE MANUFACTURING OF STRIPS OF FLEXIBLE MATERIAL, COMPRISING, AN ELONGATED FLEXIBLE MOLD HAVING EXTERIOR WALLS DEFINING A MOLD CAVITY, SAID MOLD HAVING MEANS DIVIDING SAID CAVITY INTO AT LEAST TWO SEPARATE CHAMBERS, COMMUNICATING AT THEIR UPPER PORTIONS, SAID MOLD HAVING A LONGITUDINAL PARTING LINE ABOVE SAID DIVID-
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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) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |