Patent US3236793A successfully refreshed from Google Patents.
US3236793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis(tributyltin) adipate and antifouling compositions comprising same
Assignee: 3M Co
•
Filing: 1961-10-02
•
Granted: 1966-02-22
•
Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Robins Janis
- 👤 David M Updegraff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
BIS(TIBUTYLTIN)ADIPATE.
Claim 2
Dependent Claim
1 words
BIS(TIBUTYLTIN)ADIPATE.
References Cited (Backward Citations)
GB578312A
Cited
US2560034A
Cited
US2727917A
Cited
US2910452A
Cited
US2809897A
Cited
US2977379A
Cited
US2904569A
Cited
US3037040A
Cited
US3095427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |