US3031044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire retardant wall construction
Assignee: RC Mahon Co
•
Filing: 1957-11-04
•
Granted: 1962-04-24
•
Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Stitt James Raymond
- 👤 Dugan David James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:24
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/3601; E04D3/3602; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; E04D13/00; E04D13/16; E04D13/1606; E04D13/1643; E04D13/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1140687A
Cited
US1205501A
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US1900721A
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US2076388A
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US2126676A
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US2284229A
Cited
US2745523A
Cited
US2744589A
Cited
US2847099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |