US3369595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fin tube unit with protective corner plastic rails
Assignee: EMBASSY IND Inc
•
Filing: 1966-03-31
•
Granted: 1968-02-20
•
Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Elliot S Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:04
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/30; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28F2265/00; F28F2275/00; F28F2275/02; F28F2275/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1767605A
Cited
US1891538A
Cited
GB558124A
Cited
US2963276A
Cited
US3258066A
Cited
US3263746A
Cited
US3311163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |