US3372949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint construction for glass pipe and the like
Assignee: Fischer and Porter Co
•
Filing: 1965-05-21
•
Granted: 1968-03-12
•
Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Mclay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
F; F16; F16L; F16L49/00; F16L49/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2403364A
Cited
US2453669A
Cited
DE914803C
Cited
FR1292738A
Cited
US3212798A
Cited
US3183713A
Cited
US3224797A
Cited
US3221746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |