US3537993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions
Assignee: Procter and Gamble Co
•
Filing: 1966-06-21
•
Granted: 1970-11-03
•
Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 Todd L Coward
- 👤 Thomas E Darling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:36
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3765; C11D1/00; C11D1/38; C11D1/52; C11D1/523; C11D1/62; C11D1/66; C11D1/72; C11D1/75; C11D1/88; C11D1/92; C11D3/0005; C11D3/001; C11D3/0015; C11D3/02; C11D3/04; C11D3/06; C11D3/26; C11D3/33; C11D3/36; C11D3/361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2950255A
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US2995523A
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US3281368A
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US3346504A
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US3351483A
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US3360470A
Cited
US3325404A
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US3351557A
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US3296145A
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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) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |