US2863183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four-in-one do it yourself automatic door seal
Assignee: Individual
•
Filing: 1956-06-21
•
Granted: 1958-12-09
•
Expires: 1976-06-21
Abstract
No abstract record available.
Inventors
- 👤 Carlson Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:45
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/18; E06B7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752355A
Cited
GB191000704A
Cited
US1514140A
Cited
AU2855330A
Cited
US2062229A
Cited
FR823975A
Cited
BE507299A
Cited
CH299958A
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 |