US2910739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frames for fire-retarding and fire-proof doors
Assignee: S O S B Skod I S
•
Filing: 1957-01-22
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Granted: 1959-11-03
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Jens C Snitker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:12
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/10; E06B5/16
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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |