Patent US3555728A successfully refreshed from Google Patents.
US3555728A
Expired / Lapsed
US
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Mulch
Assignee: Individual
•
Filing: 1969-11-26
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Granted: 1971-01-19
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Expires: 1989-11-26
Abstract
Abstract A MULCH IS DESCRIBED COMPRISING AN ELONGATED SHEET OF FLEXIBLE, WATERPROOF MATERIAL HAVING POCKETS SPACED APART ALONG THE SHEET. THE SHEET IS PLACED ON THE GROUND ADJACENT OR AROUND THE PLANTS TO BE PROTECTED BY THE MULCH AND WEIGHTS, SUCH AS OLD NEWSPAPERS, ARE INSERTED INTO THE POCKETS TO HOLD THE MULCH IN PLACE.
Inventors
- 👤 Ralph Tobias Herns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:40
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/30; A01G13/32; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24298; Y10T428/24314
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |