US3005994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable toilet
Assignee: HEILITE TRAILERS
•
Filing: 1959-04-28
•
Granted: 1961-10-31
•
Expires: 1979-04-28
Abstract
No abstract record available.
Inventors
- 👤 Heil Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:09
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/04; A47K7/00; A47K7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734198A
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US687613A
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US822841A
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US1127151A
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US1266160A
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US1663966A
Cited
US1956458A
Cited
US2654892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |