US3410313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion protected conduit system
Assignee: NEW ENGLAND REALTY CO
•
Filing: 1965-05-04
•
Granted: 1968-11-12
•
Expires: 1985-05-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:01
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; F16L9/00; F16L9/18; F17; F17D; F17D5/00; F17D5/02; F17D5/04; C23F2213/00; C23F2213/30; C23F2213/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB561296A
Cited
US2896669A
Cited
US3113595A
Cited
US3138549A
Cited
US3254012A
Cited
US3270769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |