US3549474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-retardant insulation construction
Assignee: Monsanto Co
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Filing: 1968-03-25
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Granted: 1970-12-22
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Expires: 1988-03-25
Abstract
No abstract record available.
Inventors
- 👤 Thor J G Lonning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:04
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; B; B32; B32B; B32B27/00; C; C08; C08K; C08K5/00; C08K5/02; C08K5/04; C08K5/09; C08K5/49; C08K5/51; C08K5/52; C09; C09J; C09J127/00; C09J127/02; C09J127/04; C09J127/06; C08L; C08L2666/00; C08L2666/28; C08L2666/40; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928; Y10T442/00; Y10T442/60; Y10T442/659; Y10T442/673
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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |