US2943903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination of covers for open top receptacles
Assignee: WATSON Mfg CO Inc
•
Filing: 1956-09-10
•
Granted: 1960-07-05
•
Expires: 1976-09-10
Abstract
No abstract record available.
Inventors
- 👤 Carl O Peterson
- 👤 Norman J Spindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:32
CPC Classifications
A; A47; A47B; A47B17/00; A47B17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606090A
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US688104A
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US704832A
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US1372536A
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US1764612A
Cited
US2418244A
Cited
US2497278A
Cited
US2543956A
Cited
US2574162A
Cited
US2684277A
Cited
US2721780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |