US3368005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of sealing a bell and spigot joint
Assignee: BUCZALA
•
Filing: 1966-03-24
•
Granted: 1968-02-06
•
Expires: 1986-03-24
Abstract
No abstract record available.
Inventors
- 👤 George S Buczala
- 👤 Jr Walter E Rosengarten
- 👤 Lynn L Copeland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:16
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/168; F16L55/175; Y; Y10; Y10S; Y10S285/00; Y10S285/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US943558A
Cited
US1462077A
Cited
US2163261A
Cited
US2463231A
Cited
US3228712A
Cited
US3265782A
Cited
US3260280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |