US3443349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor panel plate
Assignee: Individual
•
Filing: 1967-03-14
•
Granted: 1969-05-13
•
Expires: 1987-03-14
Abstract
No abstract record available.
Inventors
- 👤 Joachim Mahle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:06
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04F; E04F15/00; E04F15/02; E04F15/024; E04F15/02405; E04F15/02417; E04F15/02423; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24281; Y10T428/24289
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2120450A
Cited
CH276638A
Cited
US2820422A
Cited
US2836863A
Cited
GB941056A
Cited
GB990491A
Cited
US3236018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |