US3473736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsating device for water outlet fixtures
Assignee: Individual
•
Filing: 1967-09-13
•
Granted: 1969-10-21
•
Expires: 1987-09-13
Abstract
No abstract record available.
Inventors
- 👤 Charles J Heitzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B1/00; B05B1/02; B05B1/08; B05B1/083; B05B1/085; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2878066A
Cited
US3182710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |