US3245643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plumber's roughing-in appliance
Assignee: Individual
•
Filing: 1963-03-11
•
Granted: 1966-04-12
•
Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Robert C Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:55
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/06; F16L1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A ROUGHING IN APPLIANCE OF THE CHARACTER DESCRIBED COMPRISING A STRUCTURE OF GENERAL T-SHAPE CONSISTING OF A VERTICAL RISER, A PIPE-ENGAGING CLAMP AT THE LOWER END OF SAID RISER CONSTRUCTED TO HOLD THE RISER IN FIXED POSITION WITH RESPECT TO A CONVENTIONAL PLUMBING FIXTURE WASTE PIPE, A TRANSVERSE HEAD PLATE HAVING COMPRISING THERETHROUGH,
Claim 2
Dependent Claim
53 words
A ROUGHING IN APPLIANCE OF THE CHARACTER DESCRIBED COMPRISING A STRUCTURE OF GENERAL T-SHAPE CONSISTING OF A VERTICAL RISER, A PIPE-ENGAGING CLAMP AT THE LOWER END OF SAID RISER CONSTRUCTED TO HOLD THE RISER IN FIXED POSITION WITH RESPECT TO A CONVENTIONAL PLUMBING FIXTURE WASTE PIPE, A TRANSVERSE HEAD PLATE HAVING COMPRISING THERETHROUGH,
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |