US3057631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube extractor
Assignee: PPG Industries Inc
•
Filing: 1958-11-12
•
Granted: 1962-10-09
•
Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 Fleur Sidney O La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:24
CPC Classifications
B; B25; B25B; B25B9/00; B25B27/00; B25B27/02; B25B27/026; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1008; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49352; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53878; Y10T29/53987
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2687324A
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US2868548A
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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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |