US2863606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip together-snap together convector and conductive conduit means
Assignee: Individual
•
Filing: 1955-04-04
•
Granted: 1958-12-09
•
Expires: 1975-04-04
Abstract
No abstract record available.
Inventors
- 👤 Tatsch Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:32
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/18; F24; F24F; F24F13/00; F24F13/02; F24F13/0209; F24F13/0272; Y; Y10; Y10S; Y10S454/00; Y10S454/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2629309A
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US2756000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |