US2784015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pole base
Assignee: Individual
•
Filing: 1953-04-24
•
Granted: 1957-03-05
•
Expires: 1973-04-24
Abstract
No abstract record available.
Inventors
- 👤 Carl G Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:45
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/02; F16B7/025; E; E04; E04H; E04H12/00; E04H12/22; E04H12/2253; E04H12/2269; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189320592A
Cited
US658779A
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US1107607A
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US1075353A
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US1592669A
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US1611935A
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US1888546A
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US2126542A
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US2329585A
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US2320360A
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US2458081A
Cited
US2528146A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |