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US2798504A
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Septic tank line inspecting device
Assignee: Individual
•
Filing: 1954-11-04
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Granted: 1957-07-09
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Expires: 1974-11-04
Abstract
No abstract record available.
Inventors
- 👤 Gast Dwight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:42
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/6851; Y10T137/6966; Y10T137/8158; Y10T137/8359
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US977740A
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US908980A
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US965008A
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US1004436A
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US1216051A
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US1633080A
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US2078047A
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US2457418A
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US2506206A
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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) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |