US3054152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window unit
Assignee: Individual
•
Filing: 1958-07-23
•
Granted: 1962-09-18
•
Expires: 1978-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Earl M Trammell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:26
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2430772A
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US2767441A
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US2720682A
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US2778069A
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US2772449A
Cited
US2821753A
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US2796630A
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US2846000A
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US2818919A
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US2903736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |