Patent US2999277A successfully refreshed from Google Patents.
US2999277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation mounting
Assignee: ULTRA TACH CO
•
Filing: 1956-08-06
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Granted: 1961-09-12
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 William H Spencer
- 👤 James D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:30
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/16; E04D13/1606; E04D13/1612; E04D13/1625; E04B; E04B9/00; E04B9/22; E04B9/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1368742A
Cited
US714948A
Cited
US760321A
Cited
US787207A
Cited
US1371727A
Cited
US1487470A
Cited
US1663487A
Cited
US1902789A
Cited
US1997605A
Cited
US1998425A
Cited
US2060093A
Cited
US2153320A
Cited
US2114155A
Cited
US2198992A
Cited
US2570326A
Cited
US2667667A
Cited
FR1031668A
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 |