US2482756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flameproofing of fibrous materials
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1944-06-10
•
Granted: 1949-09-27
•
Expires: 1964-06-10
Abstract
No abstract record available.
Inventors
- 👤 Fiorence M Ford
- 👤 William P Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:07
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/43; D06M15/433; D06M11/00; D06M11/58; D06M11/66; D06M11/68; D06M11/70; D06M15/41; D06M15/415; D06M15/429; Y; Y10; Y10S; Y10S260/00; Y10S260/24
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |