Patent US2766518A successfully refreshed from Google Patents.
US2766518A
Expired / Lapsed
US
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Method for joining together sections of plastic pipe
Assignee: Victaulic Co
•
Filing: 1952-07-23
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Granted: 1956-10-16
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Expires: 1972-07-23
Abstract
No abstract record available.
Inventors
- 👤 Frank X Costanzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:43
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/14; F16L17/00; F16L17/02; F16L17/04; Y; Y10; Y10S; Y10S285/00; Y10S285/911; Y10S285/919; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 0
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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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |