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Patent US2999278A successfully refreshed from Google Patents.
US2999278A
Expired / Lapsed
US
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Insulation mounting
Assignee: ULTRA TACH CO
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Filing: 1959-01-21
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Granted: 1961-09-12
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Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 William H Spencer
- 👤 James D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:02
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/16; E04D13/1606; E04D13/1612; E04D13/1625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1349042A
Cited
FR569187A
Cited
US1998423A
Cited
US2237710A
Cited
US2570326A
Cited
US2853746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |