US3340336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of plugging pipe
Assignee: Individual
•
Filing: 1964-07-13
•
Granted: 1967-09-05
•
Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Richard B Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:20
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/1003; B; B01; B01F; B01F33/00; B01F33/25; B01F33/251; B01F33/50; B01F33/501; B01F33/5011; B05; B05D; B05D7/00; B05D7/22; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202; B29; B29K; B29K2105/00; B29K2105/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF PLUGGING A PIPE, COMPRISING THE STEPS OF MIXING FOAM GENERATING RESINS WHICH HARDEN AFTER BEING MIXED IN A CONTAINER HAVING A CLOSED END AND A REMOVABLE END COVER; SLIDING THE CONTAINER WITH COVER IN PLACE TO THE LOCATION IN THE PIPE TO BE PLUGGED, AND ALLOWING THE RESIN TO EXPAND AND HARDEN WITHIN THE PIPE.
Claim 2
Independent Claim
58 words
THE METHOD OF PLUGGING A PIPE, COMPRISING THE STEPS OF MIXING FOAM GENERATING RESINS WHICH HARDEN AFTER BEING MIXED IN A CONTAINER HAVING A CLOSED END AND A REMOVABLE END COVER; SLIDING THE CONTAINER WITH COVER IN PLACE TO THE LOCATION IN THE PIPE TO BE PLUGGED, AND ALLOWING THE RESIN TO EXPAND AND HARDEN WITHIN THE PIPE.
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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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |