US3529987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating conduit
Assignee: Individual
•
Filing: 1966-11-01
•
Granted: 1970-09-22
•
Expires: 1986-11-01
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:23
CPC Classifications
F; F28; F28F; F28F19/00; F28F19/02; B; B05; B05D; B05D1/00; B05D1/02; B05D1/12; B05D7/00; B05D7/22; B29; B29C; B29C63/00; B29C63/26; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/142; F28F13/00; F28F13/18; F28F3/00; F28F3/12; F28F3/14; B05D2401/00; B05D2401/30; B05D3/00; B05D3/10; B05D3/102; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |