US3383044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically controlled pressure washer
Assignee: Britt Tech Corp
•
Filing: 1965-08-09
•
Granted: 1968-05-14
•
Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Iven R Norstrud
- 👤 John H Threlkeld
- 👤 Dennis J Threlkeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:54
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L1/08; B; B05; B05B; B05B12/00; B05B12/08; B05B12/085; B05B9/00; B05B9/03; B05B9/04; B05B9/0403; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B08B3/028; B60; B60S; B60S3/00; B60S3/04; B60S3/044; B08B2203/00; B08B2203/02; B08B2203/0205; B08B2203/0217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1278926A
Cited
US1578944A
Cited
FR658036A
Cited
FR754269A
Cited
US3049302A
Cited
US3140049A
Cited
US3226030A
Cited
US3282473A
Cited
US3246845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |