US3524046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for piercing holes in elastomeric articles
Assignee: Alcoa Corp
•
Filing: 1968-04-26
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Granted: 1970-08-11
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Expires: 1988-04-26
Abstract
No abstract record available.
Inventors
- 👤 Nicolaas L Brouwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:13
CPC Classifications
B; B23; B23K; B23K26/00; B23K26/02; B23K26/06; B23K26/0604; B23K26/0619; B23K26/067; B23K26/36; B23K26/38; B23K26/382; B26; B26F; B26F1/00; B26F1/26; B26F1/31; B23K2103/00; B23K2103/30; B23K2103/42; B23K2103/50; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657; Y10T29/53661; Y10T83/00; Y10T83/283; Y10T83/444; Y10T83/4607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US682626A
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US2528157A
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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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |